21st Century Serial Killers Season 1 Episode release dates & where to watch

1. Jesse Matthew

This episode deals with Jesse Matthew, guilty of the murders of Morgan Harrington and Hannah Graham.

2. Stephen Port

The documentary looks at Stephen Port, who preyed on young men and spent hours searching web porn. The predator took the lives of four much-loved men.

3. William Howell

The programme delves into the crimes of William Devin Howell, who murdered opioid-addicted prostitutes and kept the killings secret for 14 years.

4. James Fairweather

A profile of murderer James Fairweather, who stabbed two people to death in Essex in the space of three months in 2014.

5. Mark Martin

The crimes of Mark Martin, who idolised serial killers before becoming one himself. Martin killed three homeless women in Nottingham between December 2004 and January 2005.

6. Shawn Grate

A profile of Shawn Grate, who was given the death penalty in June 2018 after being convicted of two murders in Ashland County, Ohio.

7. Donna Perry Finale

The documentary looks at the crimes of Donna Perry, a transgender serial killer who blamed her crimes on Douglas Perry, the man she used to be.