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.

The man suspected of killing one Minnesota lawmaker and wounding another is now charged with murder after police arrested him Sunday near his home following a nearly two-day search.

After a 43-hour search, Boelter was arrested in rural Sibley County and charged with two counts of murder and two counts of attempted murder.