History of Salt Lake City Salt Lake City, where it has stayed ever since. The city's name was officially changed to "Salt Lake City" at the same time. In 1857, when the Mormon practice of polygamy came to national awareness, President James Buchanan responded to public outcry by sending an army of 2500 soldiers, called the Utah Expedition, to investigate the LDS Church and install a non-LDS governor to replace Brigham Young. In response, Brigham Young imposed martial law, sending the Utah militia to harass the soldiers, a conflict called the Utah War. Young eventually surrendered to federal control when the new territorial governor, Alfred
Salt Lake City Police Department against her. In September 2017, the Salt Lake County District Attorney's Office and Unified Police launched an independent criminal investigation into the arrest. Since the establishment of the Salt Lake City Police Department, 22 officers have died in the line of duty. Salt Lake City Police Department The Salt Lake City Police Department (SLCPD) is headquartered in downtown Salt Lake City, Utah, United States at 475 South and 300 East, one block east of the Salt Lake City Public Library. This headquarters is called the Salt Lake City Public Safety Building and is shared with the Salt Lake City Fire