ST. LOUIS PARK, Minn. (AP) — The shooter who killed two schoolchildren and injured 21 other people at a Catholic church in Minneapolis visited a suburban gun shop the weekend before the attack, but the owner of the store said Thursday that his staff saw no warning signs in their interactions.

Gun store owner Kory Krause told the Associated Press that Robin Westman spent around 40 minutes at Frontiersman Sports in St. Louis Park on Aug. 23 and appeared completely at ease. A surveillance video showed Westman examined several guns before ultimately buying a revolver.

Westman had already passed the required background checks and had a valid permit to purchase the gun, Krause said.

But the revolver wasn't one of the guns Westman used in the shootings at the Church of the Annunciation on Aug.

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