Britain's Darkest Taboos

"Chloe Gazzard discusses how her sister Hollie was stabbed to death by her ex-boyfriend at the salon where she worked in Gloucester."

"The parents of Kelly Anne Bates look back on their 17-year-old daughter's relationship with her murderous boyfriend James Patterson Smith, which ended in the girl's death in 1996."

"Sarbjit Kaur Athwal tells the story of how her mother-in-law plotted the murder of her young sister-in-law."

"Elisa Frank talks about how her former lover Ahmad Otak murdered her sister and best friend in Wakefield, West Yorkshire"

"The recollections of three people who spent two decades in the care of foster mother Eunice Spry, who subjected them to all sorts of physical and mental torture."

"Franky Fenton talks about how her paranoid schizophrenic son murdered his grandmother at her home in Leeds in May 2008."

"Doctor Alison Hewitt discusses how her relationship with Al Amin Dhalla turned into a terrifying nightmare amid his web of lies and deceit."

"A man reveals how his stepson's obsession with the TV series Dexter led him to kill his own mother in a brutal knife attack."

"The case of Malcolm Webster, who killed his wife Claire in 1994, as told by his victim's brother and the murderer's second wife."

"Gareth MacDonald's mother and father discuss how their son was brutally killed by his con-artist lover in September 2007."

"The story of Surrey teenager Breck Bednar, who was lured to his death via an online gaming community. Computer engineer Lewis Daynes was setenced to a 25-year prison term for fatally stabbing Bednar in February 2014."

"The case of Danai Muhammadi, who started a blaze that killed his estranged wife Melissa Crook, his father-in-law Mark Crook and his own baby in 2011."

"The tragic story of disabled murder victim Gemma Hayter. Gemma was beaten, stabbed and suffocated before being stripped and left to die by best friend Chantelle Booth and her gang on a railway line in Rugby, Warwickshire, in 2010."

"The story of how porn-obsessed killer Jamie Reynolds murdered 17-year-old Georgia Williams in Telford in 2013."

"The story of how Rana Farqui was stalked and murdered by her former partner in Buckinghamshire in 2003."

"The case of David Oakes, who shot Christine Chambers, 38, and their two-year-old daughter Shania, at their home in Braintree in June 2011."

"The tragic story of Jayden Parkinson, who was murdered by her boyfriend after telling him she was pregnant."

"Louise Turnbull from Gateshead, talks about the abuse she suffered at the hands of her stepdad, Albert Maughan."

"The tragic story of Ellie Butler, a six-year-old girl who was beaten to death by her father on 28 October, 2013, at his home in Sutton, London."

"Series revealing some of Britain's most shocking and disturbing crimes. In this special episode, experts examine what drives some people to kill."

"A look at the case of Ian Walters, who deliberately drove off the M1 motorway at high speed to kill his wife Tracy. Walters, who was badly injured in the crash, was given a life term."

"Family members question what drove 31-year-old Ross Taggart to murder his mother and dispose of her body under a caravan in Fife."

"The case of Darren Sykes, who killed his sons, and himself, in an arson attack at his Yorkshire home in 2014."

"Alissa Moore talks on TV for the first time about the abuse she suffered at the hands of her father in their family home."

"Assia Newtow's daughters describe the full extent of the abuse their mother endured at the hands of her husband."

"Friends and family of Leanne Meecham discuss her fatal relationship with her stepfather."