The man charged with killing one Minnesota lawmaker and wounding another planned the shootings, a federal prosecutor said.

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.

Feds: Assassin Vance Boelter went to four Minnesota lawmakers' homes originally appeared on Bring Me The News. In a chilling development, federal charges filed against Vance Boelter allege the assassin went to two other Minnesota lawmakers homes the night he shot Sen. John Hoffman and his wife and murdered Rep. Melissa Hortman and her husband.