![](https://tv.assets.pressassociation.io/3148dfb4-0279-513e-93f6-6a1cfbde168e.jpg)
![](https://tv.assets.pressassociation.io/3148dfb4-0279-513e-93f6-6a1cfbde168e.jpg)
![](https://tv.assets.pressassociation.io/3148dfb4-0279-513e-93f6-6a1cfbde168e.jpg)
Forensic Factor
Knock, Knock, You're Dead
Season 5 Episode 3
In 2001, Southern Louisiana is held in the terrifying grip of a serial killer, Derrick Todd Lee, whose initial 'hot zone' is the Louisiana State University area of Baton Rouge.
Forensic Factor airs on London TV at 1:00 AM, Tuesday 11 February.
Topics
Education ➝ Science ➝ Factual Topics
Factual Crime
News ➝ Current Affairs
Documentary