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

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 manhunt is underway for the gunman who was impersonating a police officer and had a list of possible targets, officials said.

The man charged with killing one Minnesota lawmaker and wounding another in what prosecutors have described as a meticulously planned attack, had dozens of apparent targets, including officials in at least three other states.

Minnesota state Rep. Melissa Hortman and her husband were killed, and state Sen. John Hoffman and his wife were wounded in politically motivated shootings early Saturday, Gov. Tim Walz said. Authorities have also identified a suspect who is still at large.

Governor Tim Walz of Minnesota commended the family of John A. Hoffman, saying their actions during a gunman’s attack on Saturday saved “countless lives.”

The man accused of shooting two Minnesota lawmakers and their spouses -- two fatally -- is now in federal custody on murder charges that could involve the death penalty. Vance Boelter, 57, was facing first-degree murder charges,

State Rep. Melissa Hortman and State Sen. John Hoffman, who were targeted by a shooter on Saturday, were longtime members of Minnesota's state legislature.

Minnesota state Sen. John Hoffman (D) and his wife, Yvette, who were both shot in their home by the suspect who is believed to have later killed state Rep. Melissa Hortman (D) and her husband, Mark, in a “politically motivated assassination” on Saturday,