A killer is facing a life sentence after disguising himself as a builder and stabbing his neighbour in "revenge" for his brother's unsolved murder.
Stephen O'Rourke, 48, stabbed 38-year-old Rocky Djelal to death in a 'savage' attack outside the children's playground in Southwark Park, southeast London, on Halloween in 2018.
O'Rourke blamed the victim for the killing of his brother Michael 'Paddy' O'Rourke, 21, in 2000, and grew increasingly paranoid that the culprit was after him next.
The pair had grown up together in the same neighbourhood and their families had known one another all their lives. Mr Djelal was arrested but released without charge and no one was ever prosecuted over Michael's murder on August 20, 2000.
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