Ms Needham has spent every day since Ben's disappearance in 1991 pursuing fresh leads in the hope of finding answers about what happened to her son.
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'Does nobody care?': Ben Needham's mother says she will now hire a private investigator in desperate bid to solve one of Britain's longest-running missing person mysteries after UK police dropped the case
When British toddler Ben Needham
vanished from the Greek island of Kos almost 35 years ago, his mother Kerry could not have imagined just how enduring the search to find him would be.
Now 53, Ms Needham has spent every day since Ben's disappearance in 1991 pursuing fresh leads, supporting ongoing inquiries and travelling across Europe in the hope of finding answers about what happened to her son, who would now be 36.
But last month, she was dealt a fresh blow after being informed
South Yorkshire Police's (SYP) Major
Crime Unit would no longer be responsible for investigating Ben's disappearance after 14 years.
Describing the development as 'devastating', Ms Needham, who now lives in Turkey, said she feels she has been left with little option but to continue the search herself.
Determined not to let the case go cold, Ms Needham has revealed plans to hire a private investigator in Greece, believing it may represent the best remaining chance of uncovering the truth almost four decades on.
However, pursuing the new line of inquiry comes at a considerable financial cost, prompting
Ms Needham to launch a GoFundMe appeal to help fund the investigation.
She spoke exclusively to the Mail about her disappointment at what she sees as a lack of urgency from British police regarding Ben's disappearance - but how a private detective might finally bring an almost four-decade-long mystery to a close.
Ms Needham said: 'It makes you really think does nobody care? This is a missing person. Yes, it's been a long time.
'But when a report from a police officer or a detective inspector lands on your desk and it's a missing person, someone should pick that up and say, "Wow, that's urgent."
'That needs to be done now. But obviously it's not, and you feel like you're banging your head against the brick wall sometimes.'
She said that if a private investigator were to be engaged with the case, they could meticulously review all inquiries and reports into her son's disappearance.
Ms Needham said: 'I think if a private investigator got involved and was allowed to take the case files and review them from the very beginning, they will see that there were lots of mistakes made, and potential cover-ups.
'A PI can go through the files with a fine-tooth comb as they have nothing to hide.
'There are also lots of inconsistencies within people's original statements, and a PI can and interview all these people, speaking to them face to face.
'I believe that a PI will delve into these things even more than a police officer can.'
Ms Needham explained that her decision to seek the help of a private investigator followed a conversation with a family liaison officer, who she claims told her South Yorkshire Police would no longer be taking an active role in Ben's case.
Instead, Greek police would solely be pursuing lines of inquiry.
South Yorkshire Police has maintained that it will remain involved with Ben's case - despite the call Ms Needham received.
A spokesperson for the force said it was not stepping back fully, but rather reinforced that its role is to act as a 'conduit for information sharing' between UK authorities, Interpol and the Greek authorities.
They said: 'The investigation itself is led by the Greek authorities.
'Our resource allocation has not changed, as we continue to have a designated family liaison officer and detective inspector as the points of contacts for all of the relevant agencies and Ben's family.
'The Greek investigation is open and we believe it will remain open until a conclusion is reached. Our involvement in support of the investigation has not changed.'
The force emphasised that they are 'committed' to supporting Ben's family, and said they are 'deeply sorry for any confusion this review may have caused.'