1 Minnesota lawmaker killed, 1 injured in targeted shootings. Here's what we know.

Authorities are investigating after targeted shootings left one Minnesota lawmaker dead and another injured. Gov. Tim Walz called the shootings "politically motivated" in a news briefing on Saturday. 

State Rep. Melissa Hortman and her husband, John, were fatally shot at their home in Brooklyn Park, Minnesota, Walz said. State Sen. John Hoffman and his wife were wounded at their home in Champlin, a suburb of Minneapolis. Investigators said the shooter was dressed as a police officer.

Here's what officials have said about the targeted attacks.