The army was sent in to the Native American camps to arrest the leaders and take away their weapons until things settled down. Chief Sitting Bull was killed when the army tried to arrest him at Standing Rock Reservation of December 15, 1890. The army then went to arrest Chief Big Foot. On December 28, the army found Chief Big Foot, who was leading his people south to the Pine Ridge Reservation, near the Wounded Knee Creek. The next morning Chief Big Foot met with Colonel Forsyth.