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24 Mass Murderers the FBI Was Warned About But Still Failed to Stop

Contributors: 3
Items: 24
# Summary Date Source
1 The 1993 WTC bombers 02/26/1993 NY Post
2 Timothy McVeigh 04/19/1995 Libertarian Institute
3 The 9/11 terrorists 09/11/2001 Coleen Rowley (former FBI special agent)
4 A terrorist attempting to blow up the NYC subway system (who backed out of the attack) 09/22/2009 PJMedia
5 The "Underwear Bomber" 12/25/2009 PJMedia
6 Fort Hood terrorist, Nidal Hasan 08/28/2013 Breitbart
7 The Boston Marathon bombers 04/15/2014 NBC News
8 Three who Americans who joined ISIS in Syria 05/14/2014 NBC News
9 ISIS-inspired American who killed three in Washington, one in New Jersey 08/06/2014 Seattle Times
10 Garland, Texas terrorists 05/03/2015 CBS News
11 Serial sexual molester, Dr. Lawrence Nassar 07/15/2015 The New York Times
12 A man shouting "Allahu Akhbar" while attacking patrons at an Israeli-owned deli 02/14/2016 PJ Media
13 Pulse Nightclub terrorist, Omar Mateen 06/12/2016 Grabien
14 A Va. man shouting "Allahu Akhbar" while stabbing a couple 08/23/2016 WSLS
15 NYC bomber, Ahmad Khan Rahami 09/19/2016 The New York Times
16 Parkland mass killer, Nikolas Cruz 02/14/2018 BuzzFeed
17 Corey Johnson, who converted to Islam and killed a 13-year-old boy and stabbed a mom and her son 03/13/2018 WPEC
18 The Waffle House mass killer, Travis Reinking 04/22/2018 Grabien
19 Anthony Warner, the Nashville bomber 12/30/2020 WSMV
20 The Boulder shooter, Ahmad Al Issa 03/23/2021 The Daily Mail
21 The San Jose shooter, Samuel Cassidy [DHS previously detained him] 05/27/2021 The Wall Street Journal
22 Lyndon McLeod, Denver mass murderer, made videos about murder before killing 5 people 12/27/2021 VICE News
23 Brooklyn subway attacker, Frank R. James 04/12/2022 Newsweek
24 The Club Q killer in Colorado Springs 12/09/2022 The Daily Wire
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