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Ohio gunman's ex-classmates decry missed chances to stop him
By Julie Carr Smyth & Michael Biesecker
Police: Suspect's sister among those killed in Oregon District shooting
At least 31 killed in US weekend mass shootings: The latest
By Mike Hayes, Veronica Rocha & Elise Hammond
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Ohio Gov. DeWine proposes 'red flag' law, expanding background checks for gun sales
By Jessie Balmert
Dayton Gunman Had Been Exploring 'Violent Ideologies,' F.B.I. Says (Published 2019)
By Campbell Robertson, Mitch Smith & Rick Rojas
Dayton Shooter's Now-Suspended Twitter Appears To Have Had Pro-Antifa, Pro-Gun Control Comments
By Shelby Talcott
Dayton gunman reportedly had hit lists, fascination with shootings: 'Everyone knew who he was'
By Erik Ortiz, Gabe Gutierrez & Ben Kesslen
Dayton Ohio shooting: Connor Betts's motive remains under investigation
By Emily Davies, Tim Craig & Hannah Natanson
The Dayton shooter's ex-girlfriend says he was fascinated with mass shootings
By Emanuella Grinberg, Scott Bronstein & Drew Griffin
Dayton shooter had an obsession with violence and mass shootings, police say
By Paul P. Murphy, Eric Levenson & Scott Bronstein
Exclusive video shows Dayton gunman Connor Betts in bar in the hours before shooting
By Curt Devine, Noah Gray & Mark Morales
Gunman in Dayton Had History of Threatening Women, Former Friends Say (Published 2019)
By Timothy Williams, Campbell Robertson & Nicholas Bogel-Burroughs
Connor Betts: Dayton gunman in 'pornogrind' metal band
By Anne Saker, Keith Bierygolick & Kevin Grasha