Film showing the the moment Dean Mayley is stabbed to death…

Four teenagers are facing years behind bars for stalking and killing a mentally ill man who did not know they just wanted his £65 jacket. This chilling CCTV footage captures the moment Dean Mayley, 24, who had the mental age of a nine-year-old, was surrounded and murdered. The mother of one of the killers was so horrified by what she had done that she shopped him to the police.