The manaccused of the murders of a Minnesota state lawmaker and her husbandin what prosecutors said was a "political assassination" could face the death penalty if he's convicted on federal charges for shootings that unfolded over 90 minutes early Saturday morning in the Minneapolis suburbs. Vance Luther Boelter, 57, was arrested Sunday night after anintense manhuntand faces both state and federal murder charges, including multiple counts of murder and stalking. While Minnesota abolished the death penalty over a century ago, the federal murder charges carry a maximum penalty of capital punishment. Early Saturday,Boelter went to the home of Minnesota Sen. John Hoffman, shooting him and his wife, Yvette, disguised as a law enforcement officer and wearing a silicone mask covering his head and face, prosecutors said. He then traveled to two other unnamed lawmakers' homes. Finally, he entered the home of Minnesota Rep. Melissa Hortman and killed her and her husband, Mark, afederal affidavitsaid. This article originally appeared on USA TODAY:Disturbing details continue to emerge in Minnesota lawmaker shootings