First Lady Melania Trump said there is a "need for pre-emptive intervention in identifying potential school shooters" following the fatal incident at Annunciation Catholic School in Minneapolis, Minnesota, on Wednesday.

Why It Matters

The attack struck at a place of worship and learning, intensifying national debate over school safety, religiously motivated violence and gun policy. Law enforcement treated the material posted by the suspect as central to determining motive.

Police said during a news conference on Wednesday that Westman shared a manifesto on YouTube that was scheduled to be published at the same time as the mass shooting.

"This manifesto appeared to show him at the scene and included some disturbing writings," Minneapolis Police Department Chief Brian O'Hara said. "Th

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