Missouri's most notorious serial killer terrorised the streets of Kansas City for over two decades. In this chilling film, Piers Morgan comes face to face with Lorenzo Gilyard, a seemingly ordinary man who killed 13 times before discarding his victims on the streets. Although he is serving six life sentences, Gilyard protests his innocence despite overwhelming DNA evidence against him. Piers Morgan sets out to discover what drove this family man to kill and kill again in a remarkable interview.

• Piers Morgan