Here's the tragic story of how Cecil the lion was killed by Minnesota dentist Walter Palmer. Read Palmer's full statement here. Produced by Devan Joseph. Video courtesy of Reuters. Follow BI Video ...

The Minnesota dentist who killed Cecil the lion has returned to work amid a global backlash. Protesters flooded the scene with pickets and demonstrations as Walter Palmer made his way into his office.

But Walter Palmer, the dentist who lit the Internet world up when it learned he had killed the rare black-maned lion called “Cecil” — then ...