S6E1 - Robert Napper
British criminal Robert Napper, who was convicted of two murders, one manslaughter, two rapes and two attempted rapes. Napper is a paranoid schizophrenic who has been diagnosed with Asperger's syndrome and. also believed to be the 'Green Chain Rapist' who carried out at least 70 attacks across south-east London over a four-year period ending in 1994.
June 3, 2015, midnight
S6E2 - John Duffy and David Mulcahy
Profiling rapists and serial killers John Duffy and David Mulcahy, who together attacked numerous women at railway stations in the south of England through the mid-1980s, killing three.
June 10, 2015, midnight
7.0
S6E3 - Gerald and Charlene Gallego
Chilling documentary series examining brutal serial killers. Despicable duo Gerald and Charlene Gallego joined forces to rape and murder several teenagers.
June 17, 2015, midnight
S6E4 - Levi Bellfield
Spine-chilling documentary series examining brutal serial killers. This edition reviews the case of Levi Bellfield who murdered three women, including Milly Dowler.
June 24, 2015, midnight
S6E5 - Tony Costa (Cape Cod Casanova)
Grisly documentary series examining brutal serial killers. Tony Costa murdered four women in 1969, before penning a chilling, unpublished novel detailing his crimes.
July 1, 2015, midnight
S6E6 - Richard Cottingham
Shocking documentary series examining brutal killers. Ruthless Richard Cottingham murdered at least six people and dismembered his victims' bodies.
July 8, 2015, midnight
S6E7 - Cleophus Prince Jr. (Prince of Darkness)
Chilling documentary series examining serial killers. This edition explores the case of ex-marine Cleophus Prince Jr., who raped and murdered six women in 1990.
July 15, 2015, midnight
S6E8 - Sean Vincent Gillis (Dead End in Baton Rouge)
Grisly documentary series examining serial killers. This edition examines the chilling case of Sean Gillis who stalked, raped and brutally murdered eight women.
July 22, 2015, midnight
5.0
S6E9 - Timothy Wilson Spencer (Twisted Tourniquet)
The horrific case of Timothy Wilson-Spencer, who strangled five people in the 1980s. The case was historic as it was the first case solved with DNA evidence.
July 29, 2015, midnight
S6E10 - David Gore and Fred Waterfield
Grisly documentary series examining notorious serial killers. This edition explores the chilling case of killer cousins David Gore and Fred Waterfield.
Aug. 5, 2015, midnight
S6E11 - David Carpenter
Spine-chilling documentary series examining serial killers. After being convicted of attempted murder and kidnapping, David Carpenter went on to kill five women.
Aug. 12, 2015, midnight
S6E12 - Bobby Joe Long
Grisly documentary series examining serial killers. This edition examines the chilling case of Bobby Joe Long who raped 50 people and murdered nine.
Aug. 19, 2015, midnight