The man who beat serial killer Jeffrey Dahmer to death inside a Wisconsin prison recently explained why he did it to the New York Post. Here's a look at Dahmer and other notorious serial killers.
Dennis Radar. The BTK Killer was finally caught in 2005 after murdering 10 people between January of 1974 and January of 2005. Rader sent several letters to police stations and media outlets, anonymously taking credit for the acts.