• S1.E1 ∙ Serial Killer: Harold Shipman
• S1.E2 ∙ The Kidnap of Stephanie Slater
• S1.E3 ∙ The Russell Murders
• S1.E4 ∙ Beverley Allitt
• S1.E5 ∙ The Hungerford Massacre
• S1.E6 ∙ The Murder of Sarah Payne
• S1.E7 ∙ The Wolf Man

• S2.E1 ∙ Dunblane Massacre
• S2.E2 ∙ The Murder of Rhys Jones
• S2.E3 ∙ The London Nail Bombings
• S2.E4 ∙ The Murder of Jill Dando
• S2.E5 ∙ Jeremy Bamber
• S2.E6 ∙ The Murder of Stephen Cameron

• S3.E1 ∙ Rachel Nickell: Murder on the Common
• S3.E2 ∙ The Crossbow Cannibal
• S3.E3 ∙ Victoria Climbié
• S3.E4 ∙ Sally Anne Bowman
• S3.E5 ∙ The Omagh Bombing
• S3.E6 ∙ James Bulger

• S4.E1 ∙ Stephen Lawrence
• S4.E2 ∙ Raoul Moat
• S4.E3 ∙ Garry Newlove
• S4.E4 ∙ The Yorkshire Ripper
• S4.E5 ∙ Christopher Foster
• S4.E6 ∙ Colin Ireland

• S5.E1 ∙ Jimmy Savile
• S5.E2 ∙ Lee Rigby
• S5.E3 ∙ Rose West
• S5.E4 ∙ The Philpotts
• S5.E5 ∙ The Marchioness Disaster
• S5.E6 ∙ Clare Wood

• S6.E1 ∙ Rolf Harris
• S6.E2 ∙ April Jones
• S6.E3 ∙ Dale Cregan
• S6.E4 ∙ Angus Sinclair
• S6.E5 ∙ Moors Murders
• S6.E6 ∙ Suzy Lamplugh

• S7.E1 ∙ Wrongly Released: Ernest Wright, Roy Whiting, Donald Andrews
• S7.E2 ∙ Joanne Dennehy
• S7.E3 ∙ Keith Blakelock
• S7.E4 ∙ Peter Tobin
• S7.E6 ∙ John Sweeney

• S8.E1 ∙ Manchester Arena Bombing
• S8.E2 ∙ Ann Maguire
• S8.E3 ∙ Gemma McCluskie
• S8.E4 ∙ Stepping Hill
• S8.E5 ∙ Steven Wright
• S8.E6 ∙ Stephen Port