On this new mini-series of Binged, Payton discusses Mass Shootings of the 20th Century, starting with the Mark O. Barton case.

Case Sources:

reddit.com/r/TrueCrime/comments/ixxnd2/today_is_going_to_be_visual_the_story_of_mark_o/

newsweek.com/its-bad-trading-day-and-its-about-get-165768

crimelibrary.org/notorious_murders/mass/work_homicide/2.html

Delivered from Evil: True Stories of Ordinary People Who Faced Monstrous Mass Killers and Survived (2011, Fair Winds Press), by Ron Franscell

Murder at the Office (2006, New Horizon Press), by Brent C. Doonan

en.wikipedia.org/wiki/1999_Atlanta_day_trading_firm_shootings

edition.cnn.com/US/9907/30/shooting.letters.02/index2.html

Newspapers.com sources:

https://www.newspapers.com/image/235516054/

https://www.newspapers.com/image/403913557

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