STEVE KARNOWSKI, MARK VANCLEAVE AND CLAUDIA LAUER

Associated Press

SCHOOL SHOOTING | MINNEAPOLIS

MINNEAPOLIS — The shooter who killed two Catholic school students and wounded more than a dozen youngsters sitting in the pews of a Minneapolis church once attended the same school and was "obsessed" with the idea of killing children, authorities said Thursday.

The shooter, identified as Robin Westman, 23, fired 116 rifle rounds through stained-glass windows while the children celebrated Mass during the first week of classes at Annunciation Catholic School, said Minneapolis police Chief Brian O'Hara.

"It is very clear that this shooter had the intention to terrorize those innocent children," O'Hara said.

Acting U.S. Attorney Joe Thompson said videos and writings the shooter left behind s

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