Following two attacks by a man posing as police in Minnesota, Americans are wondering if they have to open the door to someone saying they're the police.

Police were conducting a massive manhunt in Minnesota on Sunday for the gunman who killed a Democratic state lawmaker while posing as a police officer, a crime that Governor Tim Walz characterized as a "politically motivated assassination.

Early Saturday morning, when a man dressed like a police officer knocked at the home of a Minnesota state legislator, marked the start of nearly 40 hours of violence and fear that swept through towns

The man police said shot and killed one Minnesota lawmaker and wounded another was captured after a nearly two-day-long manhunt. Vance Boelter was arrested Sunday, charged with two counts of murder and two counts of attempted murder, The Associated Press reported.

MSNBC's Alex Witt questioned whether urging protesters to stay away from #NoKings march will "come back to haunt" police, as anti-Trump anger gets bottled up. The post MSNBC’s Witt Wonders if Warning #NoKings Protesters Away Will ‘Haunt’ MN Police: ‘Will Just Bottle Up Their Aggravation’ first appeared on Mediaite.

Vance Boelter was arrested and charged with two counts of murder and two of attempted murder. He is accused of posing as a police officer and fatally shooting former Democratic House Speaker Melissa Hortman and her husband, Mark, in their home early Saturday in the northern Minneapolis suburbs.

Democratic–Farmer–Labor Party (DFL) Speaker Emerita Melissa Hortman was shot in her Brooklyn Park home, while fellow party member Sen. John Hoffman was targeted roughly 8 miles away in Champlin, sources told 5 Eyewitness News. A manhunt is on for the suspect, who was wearing black body armor over a blue shirt and blue pants.