EL CAJON, Calif.—A man who set fire to a historic commercial structure in downtown La Mesa following a police brutality protest that devolved into rioting pleaded guilty on Oct. 27 to arson and vandalism charges. Daniel Louis Sandoval, 44, from Campo, was arrested about six months after prosecutors accused him of burning down the Randall Lamb and Associates Building on Palm Avenue on May 31, 2020. The structure, which had been designated as historically significant by the La Mesa Historical Society, was one of the several buildings, including two banks, destroyed by fire during the unrest. In addition to the Randall Lamb building fire, Sandoval pleaded guilty to a vandalism charge in connection with Spa Piel, a nearby business. He’s slated to be sentenced on Nov. 29. The protest was sparked by the Memorial Day in-custody death of George Floyd in Minneapolis and the arrest of another Black man, Amaurie …