Mass Casualty Attacks
LEWISTON, MAINE - OCTOBER 27: Law enforcement officials gather at the Lewiston High School as they continue a manhunt for suspect Robert Card following a mass shooting on October 27, 2023 in Lewiston, Maine. Police are actively searching for a suspect, Army reservist Robert Card, who allegedly killed 18 people in a mass shooting at a bowling alley and restaurant in Lewiston, Maine.
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The terrorism threat landscape continues to evolve since al Qaeda’s attacks on September 11, 2001. Since 9/11, violent extremists repeatedly adapted to counterterrorism pressure as law enforcement a...