Real Housewives of Salt Lake City star Mary Cosby's son, Robert Cosby Jr., faced two felony assault charges weeks before his death. Us Weekly can confirm that Robert Jr. was charged with one count of aggravated assault and one count of assault in connection with a domestic violence incident that took place in May 2024. A warrant for Robert Jr.'s arrest was issued on February 5. The alleged victim is identified in court documents obtained by Us on Thursday, February 26, by the initials A.S. (While no name was given in the filing, Robert Jr. was married to a woman named Alexiana Smokoff.