Dean Mayley stabbing: Appeal over murder of vulnerable man

Dean Mayley Image copyright Metropolitan Police
Image caption Dean Mayley, 24, was going to visit his uncle when he was stabbed

The family of a murdered man who had the mental age of a child are "begging" for information about his death.

Dean Mayley, 24, was going to visit his uncle in Greenford, west London, when he was attacked and stabbed by a group of men on Friday afternoon.

His family want to know what happened between him getting off the bus at The Broadway, and when he was attacked in Ruislip Road about an hour later.

Police have described his attackers as "vicious cowards".

Image copyright Met Police
Image caption CCTV showed Mr Mayley just after he got off the bus

Mr Mayley, from Northolt, west London, suffered from a developmental disorder which led to him having moderate learning difficulties and the mental age of a nine-year-old.

It meant he rarely left home alone, except to visit relatives.

His mother Donna Mayley said: "I hope there is somebody, somewhere, who knows something.

"I'm begging you, really - I don't know what to do."

She added: "Dean was very vulnerable and easily led, he just wanted to please people all the time."

'Vulnerable man'

A post-mortem examination gave the cause of death as a single stab wound to the chest.

Police are currently conducting house-to-house inquiries in Greenford and are also studying CCTV in an effort to trace Mr Mayley's last movements.

Det Ch Insp Matt Bonner said: "We know that he arrived in The Broadway by bus around 16:25 and I am keen to piece together his movements between then and 17:15 when he was assaulted by three or four males further along Ruislip Road.

"That group of males is responsible for the assault and death of a vulnerable man who would have been in no position to defend himself from such an attack.

"The people who attacked him are simply vicious cowards."

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