The story of convicted rapist David Jaggers, whose sister had his baby when she was 12 years old and kept its father's identity secret for 18 years. By this time, her brother had killed his girlfriend and served six years for manslaughter. He went on to serve life for rape and kidnap. In the first of this series about heinous crimes, his relatives open up about their heartbreak.

Sonia Oatley reflects on how her 15-year-old daughter, Rebecca Aylward, was murdered by her boyfriend in 2010, reportedly as part of a bet.

The mother and sister of Kirsty Grabham open up about her shocking murder, which took place in Swansea in 2009. The 24-year-old's body was found dumped in a suitcase by a motorway.

Michael Tranter discusses how his children were killed by their stepfather Lee Ford in 2000, reflecting on the dreadful events and his difficult rehabilitation.

The parents of Carly Fairhurst offer an insight into domestic abuse, speaking about their daughter's death after she had a fight with her boyfriend in 2006.

Account of an A&E nurse who was killed by her ex-boyfriend outside her workplace while he was on bail and awaiting trial for raping her in 2010. The programme explains how the case led to changes in the law to help safeguard victims of crime, and features extracts from her diary in which she had predicted her death a few weeks prior to her murder.

Documentary lifting the lid on shocking crimes. Family members talk about the murder of 12-year-old Tia Sharp by her step-grandfather Stuart Hazell in Croydon, south London, in August 2012.

Documentary exploring the house fire deliberately started by Carl Mills in Cwmbran, south Wales in 2012, in which he killed his baby daughter, his girlfriend and her mother.

The family of Kirsty Treloar speak about her shocking murder at the hands of Myles Williams in 2012, who also tried to kill her brother and sister when they attempted to defend her.

Documentary in which friends of Michaela Gol and her mother Julie Sahin reflect on their murders at the hands of Michaela's husband Ensar in 2011.

The story of a father who killed his seven-year-old son and 25-year-old daughter in Fife in 2008, including an interview with the victims' mother.

Josie Fleming describes how her 17-year-old sister Sylvia was murdered by her boyfriend Stephen Scott in Omagh, Northern Ireland, in April 1998.

The mother of 20-year-old Eddie Miller, who was murdered by his girlfriend Michelle Mills in Scalford, Leicestershire, in 2012, describes how his death has impacted on the family. Plus, forensic psychologist Keri Nixon and psychologist Emma Kenny investigate what factors may prompt women to commit murder.

The story of twins Rachel Steadwood and Tracy Brown, who were sexually abused by their uncle between the ages of five and 13. Despite the horrors they endured, both women kept quiet about their ordeal for nearly 30 years but broke their silence in 2012 and as a result, John McCallum was finally sent to prison for his crimes.

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

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.

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 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.

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

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