Arizona man pleads not guilty to killing pregnant ex-girlfriend in San Diego

SAN DIEGO — A 21-year-old Arizona man pleaded not guilty Wednesday to first-degree murder charges in the shooting death of his pregnant ex-girlfriend in San Diego, prosecutors said. Trevon Williams faces charges including first-degree murder, attempted murder of a fetus, and possession of a machine gun with an extended magazine in connection with the May 29 killing of 17-year-old Jariah Edwards. Family members of the victim broke down in tears during the emotional court hearing at the Central Courthouse downtown. Prosecutors say Williams and Edwards had "an on and off relationship filled with domestic violence and threats of violence on...