Minnesota authorities arrested Vance Boelter, the suspect in the assassination of Democratic state Rep. Melissa Hortman and her husband and the failed assassination attempt of Democratic state Sen. John Hoffman and his wife, on Sunday afternoon after a daylong manhunt.

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.

Vance Boelter has been arrested alive, sources are confirming with FOX 9. Boelter is the suspect who assassinated Minnesota Rep. Melissa Hortman and her husband, and injured Sen. John Hoffman and his wife.

Vance Luther Boelter, who was arrested for killing a Minnesota lawmaker and her husband and wounding another lawmaker and his wife, used to stalk his victims like prey and fired at them in cold blood,

Jail records indicate a federal charge against Boelter, which could keep him in custody, even if he could post bail.