“The Toolbox Killers: A Deadly Rape, Torture and Murder Duo” by Jack Rosewood and Rebecca Lo
Medium.com - https://medium.com/california-dreaming/norris-and-bittaker-the-toolbox-killers-345825737302
Newsweek.com - https://www.newsweek.com/toolbox-killers-laura-brand-interview-lawrence-bittaker-roy-norris-1631923
The Independent - https://www.the-independent.com/news/world/americas/crime/serial-killer-bittaker-criminologist-execution-b1972389.html
LA Times - https://www.latimes.com/archives/la-xpm-1989-06-23-mn-2460-story.html
Oxygen.com - https://www.oxygen.com/the-toolbox-killer/crime-news/who-are-toolbox-killers-lawrence-bittaker-roy-norris
AllThatsInteresting.com - https://allthatsinteresting.com/worst-deaths/10
FoxNews.com - https://www.foxnews.com/entertainment/toolbox-killer-lawrence-bittaker-laura-brand-documentary-streaming
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