The Brief

A shooting at a Dallas ICE facility left one person dead and two injured; the gunman died from a self-inflicted wound.

The suspected gunman, 29-year-old Joshua Jahn, showed a "high degree of pre-attack planning," including scouting facilities and writing threats.

Security is being increased at ICE facilities nationwide, and the two surviving victims, one of whom is a Mexican national, remain in critical condition.

DALLAS - Investigators are looking for a motive in the shooting at a Dallas ICE facility that left one person dead and two others hurt. Investigators believe the suspect was 29-year-old Joshua Jahn.

The FBI and Department of Homeland Security are expected to release more details on what they've learned at a news conference at 1:30 p.m. on Thursday. You'll be able

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