New security lapses exposed in Trump shooter investigation

On July 13, 2024, a gunman attempted to assassinate former President Donald Trump at a campaign rally in Butler, Pennsylvania, just 40 minutes north of Pittsburgh. The shooter, identified as 20-year-old Thomas Matthew Crooks of Bethel Park, Pennsylvania, opened fire from the roof of a nearby warehouse, striking Trump in the right ear and killing one spectator while critically wounding two others.

Text messages and security footage recently received by the New York Times reveal that Crooks...