Authorities are working to learn the motive of the shooter who fired into a Minneapolis Catholic school's church during Wednesday's Mass, killing two children and injuring 17 worshippers.

Officials identified the shooter as Robin Westman, 23, and said Westman was found dead in the parking lot from what they believe was a self-inflicted gunshot. Minneapolis Police Chief Brian O’Hara said authorities were searching a vehicle in the parking lot believed to be the shooter's and three associated residences in the area. They also were scouring content that Westman allegedly scheduled to be released on YouTube and has since been removed from the platform.

The FBI is investigating this shooting as an act of domestic terrorism and hate crime targeting Catholics, officials said.

What authorities

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