Mob violence played a prominent role in the early history of the Latter Day Saint movement . Examples include the expulsions from Missouri , the Haun 's Mill massacre , the death of Joseph Smith , the expulsion from Nauvoo , the murder of Joseph Standing , and the Cane Creek Massacre . In an 1857 speech , Brigham Young gave an address demanding military action against " mobocrats "
Haun 's Mill massacre
Haun's Mill massacre
Ochlocracy