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,

The governor of Montana is freeing up as many resources as possible to continue to look for a mass shooter who killed four people last Friday outside a bar.

Police are looking for Michael Paul Brown, 45, after four people were shot and killed in The Owl Bar in the small town of Anaconda, Montana.