
Examining some of the most dangerous and prolific murderers in the UK and worldwide.

A profile of the killer who, after killing 22-year-old Julie Hogg, became the first person to be convicted under revised UK double-jeopardy laws.

Charlotte vanishes before her birthday and Johnny feeds her family lies to hide the truth; the police slowly piece together her final days, uncovering that Johnny killed her while the search for her remains continued.

A woman murders her sister after developing a deadly obsession with her brother-in-law.

A profile of the double-murderer who killed a 77-year-old teacher and a 59-year-old reverend.