It's bath time for presenter Nick Ross as he discovers the skin-burning evidence stored in the grizzly case against John George Haigh, a killer who dissolved his victims in acid.

Nick Ross reveals the disturbing evidence collected at 10 Rillington Place, where murderer John Reginald Christie kept clippings of pubic hair from each of his victims in a tin.

Nick Ross discovers the evidence from the Great Train Robbery stored at Scotland Yard. Was a fingerprint-smothered beer keg the key to Ronnie Biggs' arrest?

The ruthless Kray twins had an array of deadly weapons which they used to kill their victims. Presenter Nick Ross discovers the evidence collected in their case.

Pyjamas and lockets of hair await Nick Ross as he studies the evidence from the case against Dr Crippen, who went to the gallows for the murder of his wife in 1910.

Nick Ross examines the case of the Whitechapel murderer, as Scotland Yard's Crime Museum reveals the memoirs of the original investigating officer. Did he name the killer?

Nick Ross discovers the evidence and revolver used in the controversial story of the murder of PC Miles by Christopher Craig and Derek Bentley.

The gun and mask used by the killers Fred Browne and Pat Kennedy are seen for the first time, as Nick Ross reveals the story of the murder of PC Gutteridge in 1927.

Presenter Nick Ross discovers the cosh and the homemade masks used by the notorious Stratton Brothers in 1905, during the bungled robbery which ended in murder.

Arsenic-coated flypaper and a pipette containing poison are the only artefacts that remain from the 1924 trial of Frederick Seddon. Presenter Nick Ross investigates his crimes.

Presenter Nick Ross examines the exhibits used to convict trunk murderer John Robinson, including the key to solving the case, a blood-stained matchstick.

Presenter Nick Ross uncovers the case of the museum's first cop killer. Charles Peace was a prolific cat burglar and killer, who used ingenious tools to carry out his crimes.

Presenter Nick Ross examines the case of the forgotten Ripper. Gordon Cummins killed five women during the Blitz in 1942, with bloody tools of diabolical butchery.