When is a bear to blame? How wildlife experts investigate attacks on humans.

While Pollio’s injuries appeared consistent with a bear attack, Glacier National Park officials have yet to identify the bear that could have been involved, or its current whereabouts. If a bear attacks a person, it’s up to people like Erik Wenum, a bear and lion specialist with more than 30 years of experience at Montana Fish, Wildlife & Parks, to figure out what happened. “We’re trying to figure out the who, the how, and the why,” Wenum said. The post When is a bear to blame? How wildlif...