The Life and Confessions of the Late Mormon Bishop, John D. Lee
(Written by Himself)
Chapter XVIII
Pages 213-248) -
"I had many to assist me at the Mountain Meadows. I believe that most of those who were connected with the Massacre, and took part in the lamentable transaction that has blackened the character of all who were aiders or abettors in the same, were acting under the impression that they were performing a religious duty. I know all were acting under the orders and by the command of their Church leaders; and I firmly believe that the most of those who took part in the proceedings, considered it a religious duty to unquestioningly obey the orders which they had received. That they acted from a sense of duty to the Mormon Church."