How police solved the 1994 cold case murder of Marina Koppel

The killer of a 39-year-old masseuse became known to police soon after the murder – but was not caught until his DNA was matched to a single hair left on the victim’s ring at her flat in Baker Street, Marylebone, nearly 30 years later.

A random attack? The unsolved murder of Anthony Littler

A 45-year-old civil servant was beaten to death in an alleyway behind East Finchley tube station as he walked home from a night out in 1984. The killers have never been traced. Did they attack someone else there two days earlier? And who made the anonymous 999 call?

DNA breakthrough solves 1974 killing of Eileen Cotter

The killing of 22-year-old Eileen Cotter in north London remained unsolved for nearly 50 years. She was found strangled in courtyard next to a block of garages behind Hamilton Park in Finsbury Park just after 2pm on 1 June 1974. Her underwear and tights had been pulled down and her handbag, glasses and shoes were …

Burglar convicted of killing elderly siblings in 1993

William Bryan, 71, and Anne Castle, 74, had lived together at the flat on the Minerva estate in Bethnal Green, east London, for nearly five decades. It was first occupied by Anne and her husband, who bought it together in 1943. Two years later William, who became ill after the Second World War and worked …