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Who is the LONG ISLAND SERIAL KILLER? *ARREST JULY 2023* (5 Viewers)

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Who is the Long Island serial killer? This is a general discussion thread about this terrifying case.


MEMBER'S ONLY DISCUSSION/DOCUMENTS:
https://www.crimewatchers.net/threa...other-sensitive-information.3498/#post-226869
 
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I was just looking at the Rifkin murders. I didn't know that he pled guilty to second degree murder. What is the difference between first and second degree?


Criminal Law

What Is the Difference Between 1st, 2nd, and 3rd-Degree Murder?

Demystify the legal definitions of murder. Learn how intent, planning, and state of mind differentiate murder classifications.

LegalClarity Team

Published Aug 18, 2025
Legal systems classify murder into different degrees to reflect the varying levels of culpability and intent involved. While specific definitions can vary across jurisdictions, the underlying principles generally focus on the perpetrator’s state of mind and the presence or absence of planning.


First-Degree Murder

First-degree murder represents the most serious classification of unlawful killing. Its core elements typically include both premeditation and deliberation. Premeditation means the act was considered beforehand, while deliberation implies a careful weighing of considerations in forming a course of action. This classification often requires a specific intent to kill.
For instance, if an individual threatens a victim in advance, ambushes them, or uses a method like poison, these actions can indicate premeditation and deliberation. Another common scenario falling under first-degree murder is the felony murder rule. This rule applies when a death occurs during the commission of certain inherently dangerous felonies, such as robbery, arson, rape, or kidnapping, even if there was no direct intent to kill. Under this rule, all individuals involved in the felony can be charged with murder, regardless of who caused the death.

Second-Degree Murder

Second-degree murder typically involves malice aforethought but lacks the elements of premeditation and deliberation found in first-degree murder. Malice aforethought, in this context, signifies an intent to kill, an intent to inflict serious bodily harm, or acting with an extreme indifference to human life, often referred to as a “depraved heart.” The intent to kill in second-degree murder arises spontaneously, without prior planning or reflection.
For example, a sudden, intense argument that escalates into a fatal assault without any prior thought of killing could be classified as second-degree murder. This category also encompasses killings where the perpetrator intended only to cause serious bodily harm, but death unexpectedly resulted. Additionally, some jurisdictions classify certain types of felony murder as second-degree, especially if the underlying felony is not typically associated with first-degree felony murder.

Third-Degree Murder

Third-degree murder is a classification not recognized in all states, and its definition varies significantly where it does exist. In jurisdictions that recognize it, third-degree murder often involves a killing committed with a “depraved heart” or “reckless disregard for human life,” but without a specific intent to kill. This means the perpetrator engaged in conduct so reckless and dangerous that it demonstrated a callous indifference to the potential for death, even if death was not the intended outcome.
Examples of such conduct might include firing a gun into a crowded area or driving a vehicle in an extremely dangerous manner, resulting in a fatality. Some states also apply third-degree murder to specific types of felony murder, particularly those involving non-violent felonies or drug-induced deaths. The jurisdictional variability means that an act classified as third-degree murder in one state might be considered involuntary manslaughter or second-degree murder in another.

Key Distinctions Among Murder Degrees

The primary legal differences distinguishing first, second, and third-degree murder center on the perpetrator’s mental state and the level of intent or recklessness involved. The classification of a murder charge hinges on these nuanced differences in the perpetrator’s state of mind and the circumstances surrounding the unlawful killing.
Depends on the state. He does not qualify for 1st degree in NY, just like Magione does not.
 
I was just looking at the Rifkin murders. I didn't know that he pled guilty to second degree murder. What is the difference between first and second degree?


Criminal Law

What Is the Difference Between 1st, 2nd, and 3rd-Degree Murder?

Demystify the legal definitions of murder. Learn how intent, planning, and state of mind differentiate murder classifications.

LegalClarity Team

Published Aug 18, 2025
Legal systems classify murder into different degrees to reflect the varying levels of culpability and intent involved. While specific definitions can vary across jurisdictions, the underlying principles generally focus on the perpetrator’s state of mind and the presence or absence of planning.


First-Degree Murder

First-degree murder represents the most serious classification of unlawful killing. Its core elements typically include both premeditation and deliberation. Premeditation means the act was considered beforehand, while deliberation implies a careful weighing of considerations in forming a course of action. This classification often requires a specific intent to kill.
For instance, if an individual threatens a victim in advance, ambushes them, or uses a method like poison, these actions can indicate premeditation and deliberation. Another common scenario falling under first-degree murder is the felony murder rule. This rule applies when a death occurs during the commission of certain inherently dangerous felonies, such as robbery, arson, rape, or kidnapping, even if there was no direct intent to kill. Under this rule, all individuals involved in the felony can be charged with murder, regardless of who caused the death.

Second-Degree Murder

Second-degree murder typically involves malice aforethought but lacks the elements of premeditation and deliberation found in first-degree murder. Malice aforethought, in this context, signifies an intent to kill, an intent to inflict serious bodily harm, or acting with an extreme indifference to human life, often referred to as a “depraved heart.” The intent to kill in second-degree murder arises spontaneously, without prior planning or reflection.
For example, a sudden, intense argument that escalates into a fatal assault without any prior thought of killing could be classified as second-degree murder. This category also encompasses killings where the perpetrator intended only to cause serious bodily harm, but death unexpectedly resulted. Additionally, some jurisdictions classify certain types of felony murder as second-degree, especially if the underlying felony is not typically associated with first-degree felony murder.

Third-Degree Murder

Third-degree murder is a classification not recognized in all states, and its definition varies significantly where it does exist. In jurisdictions that recognize it, third-degree murder often involves a killing committed with a “depraved heart” or “reckless disregard for human life,” but without a specific intent to kill. This means the perpetrator engaged in conduct so reckless and dangerous that it demonstrated a callous indifference to theNew potential for death, even if death was not the intended outcome.
Examples of such conduct might include firing a gun into a crowded area or driving a vehicle in an extremely dangerous manner, resulting in a fatality. Some states also apply third-degree murder to specific types of felony murder, particularly those involving non-violent felonies or drug-induced deaths. The jurisdictional variability means that an act classified as third-degree murder in one state might be considered involuntary manslaughter or second-degree murder in another.

Key Distinctions Among Murder Degrees

The primary legal differences distinguishing first, second, and third-degree murder center on the perpetrator’s mental state and the level of intent or recklessness involved. The classification of a murder charge hinges on these nuanced differences in the perpetrator’s state of mind and the circumstances surrounding the unlawful killing.
New York has a crazy law imo re first degree murder. In many places intent is enough. I don't think I knew it until recently, I think it came up with Mangione. Further the things that make it first degree I don't think cover nearly enough.
 
Did we know a judge has granted Bitroff's atty access to DNA for testing? I don't think we did.

I don't entirely get what DNA they are talking here.

I don't know how to link shorts so can you @Tresir or someone let me know if this works? He would be the short on the top of the page, it is Sarge who I think we have both watched.

Also let me know if you understand the tie to LISK and the DNA and the implications. I get Costillo is LISK's victim but he is talking of two others too...

 
Looks like it worked. It is quite short.
Will have a watch. My first thought is maybe they are just talking about the ones that haven't yet been charged to LISK or anyone else. I think there are a couple like that.

ETA OK I have listened and he seems to be referring to the two that Bitroff has been found guilty of. It sounds like there was multiple DNA on those two victims and his lawyer has now got permission to get the other DNA tested. That is how i am interpreting it but if others can listen too to see if that is their interpretation too.

Here is a link that may explain more. This seems to suggest they can compare the unknown DNA on a Bitroff victim to Heuermann's DNA

 
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I couldn't accessthe Newsday article so I have found a link that explains it.


September 12, 2017 – Sentencing

Bittrolff received two consecutive 25-years-to-life sentences, totaling 50 years to life in prison. He is incarcerated at the Clinton Correctional Facility in Dannemora, New York, under inmate number 17A3925.


June 2024 – Heuermann Indictment Brings New Evidence

In a surprising twist, prosecutors charged alleged Gilgo Beach serial killer Rex Heuermann with the 1993 murder of Sandra Costilla. Forensic evidence excluded Bittrolff as a contributor but did not exclude Heuermann, sparking renewed scrutiny of the original Bittrolff investigation.


January 2025 – Motion to Vacate Conviction

Bittrolff’s legal team filed a New York State Criminal Procedural motion, known as a 440 Motion. That 440 requests to vacate his convictions, citing new DNA testing results that detected male DNA on evidence from Colleen McNamee’s case that did not match Bittrolff. The defense called for direct comparison to Rex Heuermann’s DNA.

Bittrolff 440 Motion.pdf

Download PDF • 411KB


October 2025 – Judge Orders DNA Comparison

A Suffolk County judge approved the defense request to compare DNA from both Tangredi and McNamee crime scenes with Heuermann’s profile. The decision could lead to new forensic testing and could potentially alter the future of Bittrolff’s case.


Analysis: What’s Next for the Bittrolff Case?

The connection between John Bittrolff and the Gilgo Beach killings has long been debated, however, no evidence exists to tie him to any other cases. Both Bittrolff and Heuermann have ties to Manorville, to victims who were sex workers, and the crimes shared disturbing similarities. Now, with DNA advances and Heuermann facing his own murder charges, investigators are re-evaluating whether Bittrolff’s conviction was justified or a miscarriage of justice. Only time will tell.
 
Will have a watch. My first thought is maybe they are just talking about the ones that haven't yet been charged to LISK or anyone else. I think there are a couple like that.

ETA OK I have listened and he seems to be referring to the two that Bitroff has been found guilty of. It sounds like there was multiple DNA on those two victims and his lawyer has now got permission to get the other DNA tested. That is how i am interpreting it but if others can listen too to see if that is their interpretation too.

Here is a link that may explain more. This seems to suggest they can compare the unknown DNA on a Bitroff victim to Heuermann's DNA

I think what threw me is they mentioned the two but then they mentioned was it Sandra Costilla who is one of LISK's right? I listened to it at least twice. Maybe they are saying Costilla may be another one they look at at some time?
 
I couldn't access this one due
Will have a watch. My first thought is maybe they are just talking about the ones that haven't yet been charged to LISK or anyone else. I think there are a couple like that.

ETA OK I have listened and he seems to be referring to the two that Bitroff has been found guilty of. It sounds like there was multiple DNA on those two victims and his lawyer has now got permission to get the other DNA tested. That is how i am interpreting it but if others can listen too to see if that is their interpretation too.

Here is a link that may explain more. This seems to suggest they can compare the unknown DNA on a Bitroff victim to Heuermann's DNA

Have to pay to watch, for me at least.
 
I couldn't accessthe Newsday article so I have found a link that explains it.


September 12, 2017 – Sentencing

Bittrolff received two consecutive 25-years-to-life sentences, totaling 50 years to life in prison. He is incarcerated at the Clinton Correctional Facility in Dannemora, New York, under inmate number 17A3925.


June 2024 – Heuermann Indictment Brings New Evidence

In a surprising twist, prosecutors charged alleged Gilgo Beach serial killer Rex Heuermann with the 1993 murder of Sandra Costilla. Forensic evidence excluded Bittrolff as a contributor but did not exclude Heuermann, sparking renewed scrutiny of the original Bittrolff investigation.


January 2025 – Motion to Vacate Conviction

Bittrolff’s legal team filed a New York State Criminal Procedural motion, known as a 440 Motion. That 440 requests to vacate his convictions, citing new DNA testing results that detected male DNA on evidence from Colleen McNamee’s case that did not match Bittrolff. The defense called for direct comparison to Rex Heuermann’s DNA.

Bittrolff 440 Motion.pdf

Download PDF • 411KB


October 2025 – Judge Orders DNA Comparison

A Suffolk County judge approved the defense request to compare DNA from both Tangredi and McNamee crime scenes with Heuermann’s profile. The decision could lead to new forensic testing and could potentially alter the future of Bittrolff’s case.


Analysis: What’s Next for the Bittrolff Case?

The connection between John Bittrolff and the Gilgo Beach killings has long been debated, however, no evidence exists to tie him to any other cases. Both Bittrolff and Heuermann have ties to Manorville, to victims who were sex workers, and the crimes shared disturbing similarities. Now, with DNA advances and Heuermann facing his own murder charges, investigators are re-evaluating whether Bittrolff’s conviction was justified or a miscarriage of justice. Only time will tell.
So they are comparing to CB's DNA. I see.
 
I couldn't accessthe Newsday article so I have found a link that explains it.


September 12, 2017 – Sentencing

Bittrolff received two consecutive 25-years-to-life sentences, totaling 50 years to life in prison. He is incarcerated at the Clinton Correctional Facility in Dannemora, New York, under inmate number 17A3925.


June 2024 – Heuermann Indictment Brings New Evidence

In a surprising twist, prosecutors charged alleged Gilgo Beach serial killer Rex Heuermann with the 1993 murder of Sandra Costilla. Forensic evidence excluded Bittrolff as a contributor but did not exclude Heuermann, sparking renewed scrutiny of the original Bittrolff investigation.


January 2025 – Motion to Vacate Conviction

Bittrolff’s legal team filed a New York State Criminal Procedural motion, known as a 440 Motion. That 440 requests to vacate his convictions, citing new DNA testing results that detected male DNA on evidence from Colleen McNamee’s case that did not match Bittrolff. The defense called for direct comparison to Rex Heuermann’s DNA.

Bittrolff 440 Motion.pdf

Download PDF • 411KB


October 2025 – Judge Orders DNA Comparison

A Suffolk County judge approved the defense request to compare DNA from both Tangredi and McNamee crime scenes with Heuermann’s profile. The decision could lead to new forensic testing and could potentially alter the future of Bittrolff’s case.


Analysis: What’s Next for the Bittrolff Case?

The connection between John Bittrolff and the Gilgo Beach killings has long been debated, however, no evidence exists to tie him to any other cases. Both Bittrolff and Heuermann have ties to Manorville, to victims who were sex workers, and the crimes shared disturbing similarities. Now, with DNA advances and Heuermann facing his own murder charges, investigators are re-evaluating whether Bittrolff’s conviction was justified or a miscarriage of justice. Only time will tell.
Very interesting
 
Just found this. He has been cleared of McNamee's murder. The unknown DNA did not match him. Don't know about Tangredi.


There won’t be an eighth.
Accused Gilgo Beach serial killer Rex Heuermann, who is charged in the gruesome murders of seven young sex workers on Long Island, has been cleared in the strangulation death of an eighth woman.
DNA testing determined that Heuermann was not tied to the 1994 slaying of Colleen McNamee, who was beaten, strangled and dumped near the William Floyd Parkway in Shirley, according to records from the Suffolk County Medical Examiner’s Office reviewed by The Post.
Black and white photo of Colleen McNamee from the Sachem yearbook.5
Colleen McNamee, 20, was found dead in Manorville in 1994. John Bittrolff was convicted of her murder in 2017.New York Post Archives​
Colleen McNamee crime scene5
The 1994 crime scene where McNamee was discovered.Mary McLoughlin/New York Post Archives​
“A comparison between Cybergenetic’s developed profile, ‘unknown male A’ and the DNA profile of Rex Heuermann was performed,” the Oct. 21 coroner’s report said.

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“Assuming that the ‘unknown male A’ profile is a mixture without any allelic dropout and strictly based on possible genotypes present in the profile, Rex Heuermann is excluded as ‘unknown male A,'” the report concluded.
The DNA test was conducted following a request by convicted killer John Bittrolff, who was found guilty in 2017 of killing McNamee and Rita Tangredi, whose battered body was found in East Patchogue in 1993.
Bittrolff tried to pin McNamee’s murder on Heuermann — but the DNA cleared him.
Accused serial killer Rex Heuermann (right) with his attorney Michael J. Brown (left) in court.5
Rex Heuermann is charged in the deaths of seven Long Island sex workers, but was cleared in an eighth case.Getty Images​
John Bittrolff speaking with his lawyer, William Keahon, in court.5
Convicted killer John Bittrolff tried to pin the 1994 murder of Colleen McNamee on Rex Heuermann.James Carbone​
Ironically, it’s DNA evidence that linked the accused serial killer to seven other bodies — Valerie Mack, 24, Jessica Taylor, 20, Megan Waterman, 22, Melissa Barthelemy, 24, Maureen Brainard-Barnes, 25, Sandra Costilla, 28, and Amber Lynn Costello, 27.
Their bodies were dumped between 1993 and 2010, but the murders went unsolved until ex-NYPD bigwig Rodney Harrison took over as Suffolk County police commissioner and reopened the case – leading to Heuermann’s arrest in July 2023.
Investigators then carried out two thorough searches of Heuermann’s home in Massapequa Park, which led to the alleged discovery of a grisly “planning document” authored by the accused killer, including a “lessons learned” section.
Collage of four portrait photos of Maureen Brainard-Barnes, Melissa Barthelemy, Megan Waterman, and Amber Lynn Costello.5
Four of Rex Heuermann’s alleged victims. Clockwise from top left are Maureen Brainard-Barnes, Melissa Barthelemy, Amber Lynn Costello and Megan Waterman.Suffolk County Police Department​
The Manhattan architect, who has denied he was behind the gruesome killings, has since been held without bail while the case crawls toward trial.
Suffolk County District Attorney Ray Tierney has said he believed Heuermann may have been behind the deaths of other bodies dumped across Long Island, but has only charged him with seven so far.

35
What do you think? Post a comment.

Meanwhile, Bittrolff, a 58-year-old former carpenter from Manorville, is serving a prison sentence of 50 years to life for the murders of Tangredi, 31, and McNamee, 20.
He was considered a likely suspect in some of the Gilgo Beach cases early on until DNA cleared him of the brutal murders.
 
Just found this. He has been cleared of McNamee's murder. The unknown DNA did not match him. Don't know about Tangredi.


There won’t be an eighth.
Accused Gilgo Beach serial killer Rex Heuermann, who is charged in the gruesome murders of seven young sex workers on Long Island, has been cleared in the strangulation death of an eighth woman.
DNA testing determined that Heuermann was not tied to the 1994 slaying of Colleen McNamee, who was beaten, strangled and dumped near the William Floyd Parkway in Shirley, according to records from the Suffolk County Medical Examiner’s Office reviewed by The Post.

Black and white photo of Colleen McNamee from the Sachem yearbook.5
Colleen McNamee, 20, was found dead in Manorville in 1994. John Bittrolff was convicted of her murder in 2017.New York Post Archives

Colleen McNamee crime scene5
The 1994 crime scene where McNamee was discovered.Mary McLoughlin/New York Post Archives

“A comparison between Cybergenetic’s developed profile, ‘unknown male A’ and the DNA profile of Rex Heuermann was performed,” the Oct. 21 coroner’s report said.

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An image collage containing 3 images, Image 1 shows A protester sits next to a banner with the number of executions in the US since 1977 outside Braod River Correctional Institute in Columbia, SC, on Nov. 14, 2025, Image 2 shows The firing squad chair and electric chair inside South Carolina's death chamber, Image 3 shows Stephen Bryant appears in court during his murder trial in South Carolina's death chamber, Image 3 shows Stephen Bryant appears in court during his murder trial in South Carolina

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“Assuming that the ‘unknown male A’ profile is a mixture without any allelic dropout and strictly based on possible genotypes present in the profile, Rex Heuermann is excluded as ‘unknown male A,'” the report concluded.
The DNA test was conducted following a request by convicted killer John Bittrolff, who was found guilty in 2017 of killing McNamee and Rita Tangredi, whose battered body was found in East Patchogue in 1993.
Bittrolff tried to pin McNamee’s murder on Heuermann — but the DNA cleared him.

Accused serial killer Rex Heuermann (right) with his attorney Michael J. Brown (left) in court.5
Rex Heuermann is charged in the deaths of seven Long Island sex workers, but was cleared in an eighth case.Getty Images

John Bittrolff speaking with his lawyer, William Keahon, in court.5
Convicted killer John Bittrolff tried to pin the 1994 murder of Colleen McNamee on Rex Heuermann.James Carbone

Ironically, it’s DNA evidence that linked the accused serial killer to seven other bodies — Valerie Mack, 24, Jessica Taylor, 20, Megan Waterman, 22, Melissa Barthelemy, 24, Maureen Brainard-Barnes, 25, Sandra Costilla, 28, and Amber Lynn Costello, 27.
Their bodies were dumped between 1993 and 2010, but the murders went unsolved until ex-NYPD bigwig Rodney Harrison took over as Suffolk County police commissioner and reopened the case – leading to Heuermann’s arrest in July 2023.
Investigators then carried out two thorough searches of Heuermann’s home in Massapequa Park, which led to the alleged discovery of a grisly “planning document” authored by the accused killer, including a “lessons learned” section.

Collage of four portrait photos of Maureen Brainard-Barnes, Melissa Barthelemy, Megan Waterman, and Amber Lynn Costello.5
Four of Rex Heuermann’s alleged victims. Clockwise from top left are Maureen Brainard-Barnes, Melissa Barthelemy, Amber Lynn Costello and Megan Waterman.Suffolk County Police Department

The Manhattan architect, who has denied he was behind the gruesome killings, has since been held without bail while the case crawls toward trial.
Suffolk County District Attorney Ray Tierney has said he believed Heuermann may have been behind the deaths of other bodies dumped across Long Island, but has only charged him with seven so far.
35
What do you think? Post a comment.

Meanwhile, Bittrolff, a 58-year-old former carpenter from Manorville, is serving a prison sentence of 50 years to life for the murders of Tangredi, 31, and McNamee, 20.
He was considered a likely suspect in some of the Gilgo Beach cases early on until DNA cleared him of the brutal murders.

I guess it isn't true that juries always get it right.
 
The jury got it right with Bittroff. His DNA was on the victims he was convicted of but there was an unknown DNA too. It's still unknown so nothing has changed for Bittroff. Heuermann has been cleared though.
Never thought I'd hear the words Heuermann has been cleared.

It's actually a good thing in this case though, Bitroff needs to remain where he is.

I think we will still find CB is responsible for many more though.
 
The jury got it right with Bittroff. His DNA was on the victims he was convicted of but there was an unknown DNA too. It's still unknown so nothing has changed for Bittroff. Heuermann has been cleared though.

The jury was told what the prosecution wanted them to hear. They got it wrong. There a more than a few people rotting in jail who are innocent.
 

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