In 2005, teenage model Sally Anne Bowman was stabbed to death, then raped in a quiet suburban street, just yards from her front door. The initial investigation cast suspicion on her boyfriend, who had driven her home, but DNA evidence and a chance incident led to the capture of chef Mark Dixie, who was convicted of the murder in 2008. Featuring interviews with police and Sally Anne's parents, plus CCTV footage of Dixie's arrest and the recollections of his former flatmate