Colin Ireland had a rather more sinister than normal new year's resolution - to become a killer. Going to a bar to see if he got approached by another man, when he did, this started the spree which made him known as 'The Gay Slayer'.
The sexual assault and murder of 11-year-old Lesley Molseed leads to a miscarriage of justice when a simple naive lad is made the scapegoat and wrongly-imprisoned for 16 years. 31 years later DNA found the real killer.
Revealing the inside story of the police investigation into the murder of Special Constable Nisha Patel-Nasri in May 2006, as they uncover a shocking tale of greed, lust and the ultimate betrayal.
When a wife and mother goes missing, her husband derives a sadistic pleasure in playing games with the media, until it finally transpires that he had killed her.
The biggest heist in Britain's criminal history - stealing the Millenium Star Diamond - is met by the biggest Flying Squad operation also in Britain's history.
What seems like a simple Bank Holiday arrest for car theft, turns into the horrific slaughter of a police officer and an American fugitive on the run from justice.
Following the past episode focusing on Beverley Allitt, this one looks at two more dangerous members of the profession which we literally trust with our lives - Harold Shipman and Colin Norris.
Denise Fergus, whose 2-year-old son James was abducted, tortured, and murdered by two 10-year-olds in 1993, reflects on the case and her own life over the ensuing 15 years.
Illegally smuggled into the UK and forced to work in Morecambe as cockle-pickers, 23 Chinese people tragically drowned to death one devastating day in 2004.
