Encyclopedia of Mormonism, pg. 48; “By 1844 Joseph Smith also faced serious dissension within the Church. Several of his closest associates disagreed with him over the plural marriage revelation and other doctrines…They became allied with local anti-Mormon elements and published one issue of a newspaper, the Nauvoo Expositor. In it they charged that Joseph Smith was a fallen prophet, guilty of whoredoms, and dishonest in financial matters…The Nauvoo City Council and Mayor Joseph Smith declared the newspaper an illegal “nuisance” and directed the town marshal to destroy the press. This destruction inflamed the hostile anti-Mormons around Nauvoo. On June 12, 1844, Thomas Sharp’s newspaper, the Warsaw Signal, called for the extermination of the Latter-day Saints: “War and extermination is inevitable!”
Proverbs 10:6; “Blessings are upon the head of the just: but violence covereth the mouth of the wicked.”
In today’s vocabulary this would be known as homegrown terrorism.