Louis Theroux: By Reason of Insanity (2015)
- HD 1080
- Runtime: 60m.
- Status: Ended
0
- Languages: en
- Country: United Kingdom
- Director: Jamie Pickup
- Stars: Louis Theroux
- Production_studio: BBC
- Seasons: 1
- Episodes: 2
- First air date: 2015-03-22
- Last air date: 2015-03-29
- The Louis Theroux: By Reason of Insanity is featured in the top rankings of 2015
- #24 in Top Reality Series of 2015
- #13 in Top Crime Series of 2015
- #39 in Top Documentary Series of 2015
Louis immerses himself in the world of Ohio's state psychiatric hospitals, meeting patients who have committed crimes - at times horrifically violent - while in the grip of severe mental illness.