Sitting in a chrome-and-glass executive office in the headquarters of his record label Universal Island in London, Angel looks every inch the aspiring R&B star with obligatory box-fresh Nike trainers, blingy watch and a body covered in tattoos. But his favourite tattoo isn't some Sanskrit symbol or poem about his son, instead it's a number etched in the crook of his right arm. It reads: TF8830 ? the number he received when he was sent to Feltham Young Offenders Institution for a crime he had not committed.

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