Boelter was arrested in a field located in a rural part of Sibley County, in southwest Minneapolis, and he was being interviewed at a law enforcement facility, Drew Evans, the superintendent of the state’s Bureau of Criminal Apprehension, said.

Authorities are calling Saturday’s attacks a “politically motivated” assassination after State Representative Melissa Hortman and her husband, Mark, were shot and killed at their home in Brooklyn Park early Saturday morning.

A pair of Minnesota politicians and their spouses were shot by a gunman who was allegedly disguised as a police officer in an incident that left one lawmaker and her husband dead. A manhunt is now underway for the suspect in the shootings,