 It was headquartered at Calvin Jumping Bull's property on the southern edge of Oglala.The "incident at Oglala" was precipitated by the FBI investigation of a pair of stolen boots.Jimmy Eagle, one of the AIM teenagers, was thought to have taken a pair of boots after a fight, and two FBI agents, wanting to talk to him about it, pursued a vehicle they thought he was driving into the AIM camp, leading to a shootout which left both dead.