The search for a former U.S. soldier suspected of killing four people at a bar in Montana stretched into a fourth day Monday, with deputies scouring the mountainous terrain by foot and air after the man escaped in a stolen vehicle containing camping gear.

Montana Govenor Greg Gianforte was slated to hold an updated press conference sometime Tuesday, Aug. 5 to address the manhunt.

The manhunt for the person who opened fire and killed four people at a Montana bar stretched into its fourth day Monday.