Montana's governor has signed an executive order freeing up more resources for law enforcement officers as they search for a former U.S. soldier suspected in a deadly shooting at a Montana bar last week.

( NewsNation) — Montana officials said the search for the suspect in a deadly bar shooting is expanding as it enters a sixth day. Officials did not give specifics on where the search has expanded but said there are several local, state and federal teams taking part in efforts.

Stymied by treacherous terrain and untamed wilderness, authorities are struggling to find an Army veteran suspected of killing four people at a Montana bar last week. Investigators say Michael Paul Brown,