Comparisons were made to fellow serial rapist Delroy Grant, known as the Night Stalker, but Judge Robbins said Roberts used even more gratuitous violence.

BBC: Michael Roberts

Blunders by police hunting the Night Stalker rapist - including a failure to probe a sighting of his car - left him free for years, a report has said.

BBC: Met Police 'failed in Night Stalker case' says IPCC