Making a Monster - Season 1

The back stories of notorious killers, beginning with Rose West, including a look at her troubling childhood and how it may have influenced her crimes.

The life story of Robert Maudsley, who took the lives of three men while serving a life sentence for killing the fourth, intent on avenging his own abusive childhood experience.

A deep dive into the mind and motives of serial killer Levi Bellfield, known for his brutal slayings of random, innocent women.

A look inside the mind of predatory paedophile Robert Black, and the disturbing behaviour that began when he was a child himself.

Between 1981 and 1984, Ross murdered eight girls and women aged between 14 and 25 in Connecticut and New York. In 2005 he was executed and is the last person to be sentenced to death in Connecticut before the state repealed capital punishment in 2012.

In the final episode of the series, psychiatrist and sexologist Dr Fred Berlin discusses appearing as an expert witness in Ross's trial and supporting him through his attempts to bring forward his death penalty.

Dr Jethro Toomer (forensic psychologist) did the original psychological assessment of Aileen Wuonros after she confessed to the murders of 7 men. He reveals the shocking details of her upbringing that sowed the seeds of her destruction as a human being and led to the construction of her as a serial killer. One of Dr Toomers previous patients was serial killer Ted Bundy

Dr Richard Rappaport spent 66 hours interviewing John Wayne Gacy - who murdered 33 young men. His psychiatric assessment Gacy is widely considered to be one of the most important ever made about a serial killer. He now breaks a nearly thirty year silence to share the findings in full for the first time.

Exploring the dark mind of Stephen Griffiths, the man convicted of murdering three sex workers in Bradford after pleading guilty in 2010. We examine what turned him from a quiet, withdrawn child, into a brutal serial killer.