Episode #1.3 Code of a Killer : Season 1 Episode 3
ITV 1h 05m
Aired: April 12th, 2015 @ 9:00 PM EST on ITV
Possessing what they believe to be the killer's genetic "fingerprint," David and Alec initiate the world's first "DNA manhunt." But as thousands of samples are tested and costs continue to rise, David worries the operation will be shut down before they can find the killer.
