ST. HELENA - The St. Helena Parish Sheriff's Office arrested a man they say allegedly murdered his pregnant ex-girlfriend and shot her boyfriend. 

According to authorities, 26-year-old Dana William shot and killed Angelica Leray near Pistol Womack Lane on Aug. 30 around 8:30 p.m.  

William turned himself in to authorities. He is facing charges of first-degree murder, first-degree feticide and one count of attempted first-degree murder for shooting Leray's new boyfriend.