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It isn’t yet clear how the attempted assassination of Donald Trump will influence the presidential election. It could also take some time before there’s a clear understanding of how security officials failed to detect or prevent Matthew Thomas Crooks from climbing onto a roof with an AR-15 and shooting at Trump during a campaign event in Pennsylvania.

What is immediately apparent, however, is that the shooting is an “obvious security failure,” explains former FBI and Department of Homeland Security analyst Javed Ali, a scholar at the University of Michigan.

The attack on Trump fits within a broader pattern of violence in America, in terms of both targeting presidents and presidential candidates. It’s also common that shooters like Crooks – who carry out their attacks in public spaces – tend to be acting alone, without a formal network or a criminal record, allowing them to pass undetected by the FBI and police.

“This lone wolf phenomenon of domestic extremism is the most acute threat facing the country – and is also the hardest kind of threat to preemptively stop. You are dealing with a single individual who is flying under the radar and is likely not an FBI suspect,” Ali explains in today's lead story.

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Amy Lieberman

Politics + Society Editor

Republican presidential candidate Donald Trump is surrounded by U.S. Secret Service agents at a campaign event on July 13, 2024. Associated Press

Trump assassination attempt reveals a major security breakdown – but doesn’t necessarily heighten the risk for political violence, a former FBI official explains

Javed Ali, University of Michigan

Lone wolf attackers like Matthew Thomas Crooks pose the greatest security threats in the country – and are hardest to prevent.

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