Britain's Most Evil Killers

Season 9 Episode 2: Gavin McGuire

When 16-year-old Mhairi Julyan was killed, detectives used cutting edge forensics before closing in on Gavin McGuire, a repeat sexual offender.

Genre:

Documentary, Crime

Seasons:

10

Episodes:

96

Actor:

Geoffrey Wansell, Elizabeth Yardley, Fred Dinenage

Quality:

HD

Status:

Returning Series

First Air:

2017

IMDb:

8.8