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.

A massive search was stretching into its second day for a man who authorities say posed as a police officer and fatally shot a Democratic state lawmaker in her suburban Minneapolis home, an act Gov. Tim Walz called “a politically motivated assassination.

Authorities identified the suspect as 57-year-old Vance Boelter, and the FBI issued a reward of up to $50,000 for information leading to his arrest and conviction.