Law enforcement officials on Sunday searched residences of Vance Luther Boelter, a suspect in the killings of a state lawmaker and her husband.

BELLE PLAINE, Minn. (AP) — The man suspected of shooting two Minnesota lawmakers, killing one of them, has been taken into custody, a law enforcement official said.

A massive search continued Sunday for a man suspected in the fatal shooting of Minnesota state Rep. Melissa Hortman and her husband, and a separate shooting attack on another state lawmakers and his spouse, authorities said.

Minnesota State Rep. Melissa Hortman, State Sen. John Hoffman and their spouses were all shot early Saturday in targeted attacks.

Vance and Jenny Boelter own a home in Green Isle, Minn., in Sibley County, which is about an hour’s drive southwest of the Twin Cities. Onamia, where Jenny Boelter was pulled over, is about 125 miles north of the couple’s home.

Republicans and Democrats on Capitol Hill were at each other‘s throats. By Saturday, they were joining to decry political violence and seek more security. The middle-of-the-night killing in Minnesota of a top Democratic state lawmaker and the shooting of a colleague—allegedly by a suspect posing as a police officer who had a list of other elected officials—jolted Capitol Hill,

According to the website for his company Praetorian Guard Security Services, Boelter is listed as director of security patrols.