Monster in My Family (2015)

2. The Nightstalker: Richard Ramirez

2017-01-09

In the course of one year, 1984-1985, Richard Ramirez conducted a reign of terror over Los Angeles -- killing 13 innocent people. His highly publicized home invasion crime spree led to the media dubbing him the "Night Stalker."

3. The Orlando Shooter: Omar Mateen

2017-01-16

On June 12, 2016, Omar Mateen walked into Pulse nightclub in Orlando, Florida and massacred 49 people -- while wounding an additional 53 -- in the deadliest attack in American history.

4. The Craigslist Killer: Richard Beasley

2017-01-23

Richard Beasley was a conman and serial killer who posed as a preacher and in 2011, posted advertisements on Craigslist to entice men to work with him on his farm.