Lawmakers nationwide expressed shock and outrage over the shooting deaths of Minnesota state Rep. Melissa Hortman and her husband Mark, and the shootings of Sen. John Hoffman and his wife Yvette.

A suspect is in custody after Minnesota State Rep. Melissa Hortman and her husband were fatally shot Saturday, while State Sen. John Hoffman and his wife were wounded.

A dedicated volunteer who taught Sunday school and loved dogs. A lawyer who served as a Girl Scout Leader and worked at her dad’s auto parts store. A mother and wife whose husband was killed alongside her.

Within an hour and a half early on Saturday in Minnesota, a Democratic state representative and her husband had been shot dead and another Democratic lawmaker and his wife were gravely wounded by a man who arrived at their homes disguised as a police officer.

Vance Boelter 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. Authorities say he also shot Sen. John Hoffman, a Democrat, and his wife, Yvette, at their home in a nearby neighborhood.

Investigators found a cowboy hat near the vehicle and were working to determine whether it belongs to Boelter.

After Utah Sen. Mike Lee promoted right-wing conspiracy theories about the man who killed Melissa Hortman and her husband, a senior staffer for Sen. Tina Smith wrote a blistering email to Lee’s staff.

Acting U.S. Attorney Joseph Thompson on Monday detailed the “chilling” background surrounding the fatal shootings of Democrat Minnesota state Rep.