FBI agent cites “red flags” in Crooks’ pre-attack behavior | The BriefBrief
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Event Brief

FBI agent cites “red flags” in Crooks’ pre-attack behavior

Filed: Sep 15, 2026 at 11:06 PM ET UPDATED Sep 16, 2026 at 7:16 AM ET
Summary: Former FBI special agent Jonathan Gilliam says newly released federal documents show Thomas Crooks was “spiraling” into a manic or delusional state in the weeks before the Trump assassination attempt. Gilliam argues the investigation into Crooks’ motive should not be closed, citing witness accounts of erratic behavior and odd habits.
WHO: Jonathan Gilliam, former FBI special agent
WHAT: Gilliam says newly released federal documents show Crooks exhibited “red flags” and was mentally unstable before the assassination attempt.
WHEN: Sep 16, 2026 at 7:00 AM ET
WHERE: Location not specified
WHY: Gilliam is reacting to newly released federal documents and witness accounts describing Crooks’ behavior before the attack.

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