GOP Majority Whip Rep. Tom Emmer said Sunday that Minnesota laws should have prevented the suspect from purchasing a gun that allowed them to kill two children and wound more than a dozen other people in a shooting at Annunciation Catholic Church in Emmer's home state. "Somebody who had to know that there's a red flag law in this state. And what that's all about is, it's usually used by a parent or, a law enforcement officer to go to the court and get an order that this individual, because of their emotional state, the mental, challenges that they have, the mental illness, cannot, should not, possess a firearm because they be a danger to themselves and or others," Emmer told ABC News' "This Week" co-anchor Martha Raddatz. Investigators found the shooter's notebooks , written in a combinati

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