E1 - Robert Napper

Aired: June 03, 2015

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.

E2 - John Duffy and David Mulcahy

Aired: June 10, 2015

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.

E3 - Gerald and Charlene Gallego

Aired: June 17, 2015

Chilling documentary series examining brutal serial killers. Despicable duo Gerald and Charlene Gallego joined forces to rape and murder several teenagers.

E4 - Levi Bellfield

Aired: June 24, 2015

Spine-chilling documentary series examining brutal serial killers. This edition reviews the case of Levi Bellfield who murdered three women, including Milly Dowler.

E5 - Tony Costa (Cape Cod Casanova)

Aired: July 01, 2015

Grisly documentary series examining brutal serial killers. Tony Costa murdered four women in 1969, before penning a chilling, unpublished novel detailing his crimes.

E6 - Richard Cottingham

Aired: July 08, 2015

Shocking documentary series examining brutal killers. Ruthless Richard Cottingham murdered at least six people and dismembered his victims' bodies.

E7 - Cleophus Prince Jr. (Prince of Darkness)

Aired: July 15, 2015

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.

E8 - Sean Vincent Gillis (Dead End in Baton Rouge)

Aired: July 22, 2015

Grisly documentary series examining serial killers. This edition examines the chilling case of Sean Gillis who stalked, raped and brutally murdered eight women.

E9 - Timothy Wilson Spencer (Twisted Tourniquet)

Aired: July 29, 2015

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.

E10 - David Gore and Fred Waterfield

Aired: August 05, 2015

Grisly documentary series examining notorious serial killers. This edition explores the chilling case of killer cousins David Gore and Fred Waterfield.

E11 - David Carpenter

Aired: August 12, 2015

Spine-chilling documentary series examining serial killers. After being convicted of attempted murder and kidnapping, David Carpenter went on to kill five women.

E12 - Bobby Joe Long

Aired: August 19, 2015

Grisly documentary series examining serial killers. This edition examines the chilling case of Bobby Joe Long who raped 50 people and murdered nine.