Rex Heuermann, a 59-year-old architect, has been charged with first- and second-degree murder in the deaths of Melissa Barthelemy, Megan Waterman and Amber Costello.
Bryant Rivera remains behind bars while awaiting extradition proceedings for allegedly killing Ángela Carolina Acosta Flores, a Tijuana sex worker last seen on security video entering Rivera's hotel room.
Ted Kaczynski killed three people and injured 23 over the course of 17 years through his bombing spree which he claimed he conducted to start a revolution against the evils of technology.
Between 1978 and 1995, Ted Kaczynski killed three people and injured 23 more in a nationwide bombing campaign that targeted people involved with modern technology.