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A gunman who opened fire at a Dallas immigration facility Wednesday allegedly left behind a bullet casing inscribed with the phrase “anti-ICE,” part of a recent trend of suspects in high-profile shootings signaling their possible motives through their ammunition.

FBI Director Kash Patel shared a picture of the casings, saying one was engraved and “shows an ideological motive” behind the attack. The incident followed the accused killer of Charlie Kirk inscribing gamer-inspired antifascist messaging on bullet casings and Luigi Mangione using words on his casings linked to health insurance companies.

The suspect in the Dallas incident, Joshua Jahn, 29, died of a self-inflicted gunshot wound after killing one detainee and critically injuring two o

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