Napper's

In 1989, Napper's mother rang police to say he had told her he had raped someone.

Sex attackers left at large by police failures 2010

That's why we're psyched to show you the first parody we've seen: Napper's Delight.

Napper's Delight: The 'Snazzy Napper' Gets Hilarious Rap Parody (VIDEO) 2010

• In August 1992, police went to Napper's home after a tip that he looked like an efit of a rape suspect, for a string of attacks known as the Green Chain rapes.

IPCC orders police to apologise over Rachel Nickell murderer 2010

• Officers did not act on a tipoff from Napper's mother in September or October 1989 that he had confessed to raping a woman on Plumstead Common

IPCC orders police to apologise over Rachel Nickell murderer 2010

It had Napper's fingerprint on it, but no action was taken

IPCC orders police to apologise over Rachel Nickell murderer 2010

Napper's possessions consisted of clothing, suitcases, footwear, a TV, music system and, most significantly, a padlocked red metal toolbox.

The Jigsaw Man Britton, Paul, 1946- 1997

As I began studying Napper's papers, much of his writing seemed obscure but there were clear signs that dark thoughts dominated his thinking.

The Jigsaw Man Britton, Paul, 1946- 1997

Recognizing that a previous psychiatric examination had highlighted Napper's risk, I had already advised that an 'appropriate adult' should be present during the interviews.

The Jigsaw Man Britton, Paul, 1946- 1997

Napper's statement to the arresting officer about not knowing Samantha or having been to her flat now became very important.

The Jigsaw Man Britton, Paul, 1946- 1997

Among Napper's papers were personal hand-drawn maps that were far more intimate creations, zeroing in on particular parks or streets and including tiny details such as the locations of storm water grates, foxholes, drainage channels, sandpits and old Second World War bomb shelters.

The Jigsaw Man Britton, Paul, 1946- 1997