As the search for 45-year-old Michael Brown closes in on one week, authorities are continuing their efforts to locate the suspect in a mass shooting at the Owl

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.

A manhunt is intensifying for the gunman who allegedly killed a bartender and three patrons at a bar in southwestern Montana, authorities said.