S01E01 Jesse Matthew
This episode deals with Jesse Matthew, guilty of the murders of Morgan Harrington and Hannah Graham.
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.
21st Century Serial Killers forensically researches the lives of the killers who can't stop killing, revealing how the grim opportunities, provided by the 21st century, played a part in a number of murders.