Vance Luther Boelter, 57, was arrested on Sunday for allegedly killing a Minnesota Democratic state lawmaker and her husband while posing as a police officer, Governor Tim Walz said.

Here’s what we know about the 57-year-old charged with the murders of state representative Melissa Hortman and her husband and shootings of state senator John Hoffman and his wife.

Vance Boelter, the suspect wanted for fatally shooting a Minnesota state lawmaker and her husband has reportedly been identified, according to the Associated Press.