Sitting Bull as hostiles those Sioux and others living off the reservation, Native Americans gathered at Sitting Bull's camp. He took an active role in encouraging this "unity camp". He sent scouts to the reservations to recruit warriors, and told the Hunkpapa to share supplies with those Native Americans who joined them. An example of his generosity was Sitting Bull's taking care of Wooden Leg's Northern Cheyenne tribe. They had been impoverished by Captain Reynold's March 17, 1876 attack and fled to Sitting Bull's camp for safety. Over the course of the first half of 1876, Sitting Bull's camp continually expanded, as
Sitting Bull arrest to take place at dawn on December 15, and advised the use of a light spring wagon to facilitate removal before his followers could rally. Bullhead decided against using the wagon. He intended to have the police officers force Sitting Bull to mount a horse immediately after the arrest. Around 5:30 a.m. on December 15, 39 police officers and four volunteers approached Sitting Bull's house. They surrounded the house, knocked and entered. Lt. Bull Head told Sitting Bull that he was under arrest and led him outside. Sitting Bull and his wife noisily stalled for time, the camp awakened