Are murderers born or made? - BBC News

Murders are tragic but rare. But what drives some people to kill? Michael Mosley has been looking into research exploring the minds of murderers.

Lisa Montgomery: Looking for answers in the life of a killer

Psychopaths: Born evil or with a diseased brain? - BBC News

Murder of Lesley Molseed - Wikipedia

Unmaking a murderer: After 16 years in prison, could Omar Benguit clear his name? - BBC Three

New Tricks (TV Series 2003–2015) - IMDb

Samuel Little - Wikipedia

Mary Bell - Wikipedia

Aaron Barley: The orphan who turned double murderer

Colin Pitchfork - Wikipedia

Gary Lineker is a man of the people – but the BBC don't like it when he behaves like one

The Holocaust: Who are the missing million? - BBC News

Are Serial Killers Born or the Product of Their Environment? - Guardian Liberty Voice

Samuel Little: US serial killer 'admits 90 murders' - BBC News