A New Orleans-area sheriff says that during negotiations while 32-year-old Sylvester Holt was threatening suicide, the man admitted shooting his pregnant ex-girlfriend and an off-duty police officer. Normand says that if Holt survives, he will face first-degree murder charges in the deaths of Simone Veal and Officer Michael Louviere, plus a charge of feticide. A sheriff says that a man accused of shooting and killing a Louisiana police officer and a woman the shooter had been romantically involved with had recently found out the woman was pregnant with a new boyfriend. A Louisiana state police spokesman says the suspect in the slaying of an officer and a woman shot himself following a standoff on a New Orleans bridge but is alive. A man threatening to jump from New Orleans' Mississippi River bridge ignored a rope lowered to him as police hunted for a man who fatally shot an off-duty police officer and a woman who had crashed her car. Police officers are lowering a rope to a man standing on a girder below a bridge outside New Orleans as they seek a man who fatally shot an off-duty police officer and a woman who had crashed her car. A sheriff's office spokesman says 32-year-old Sylvester Holt is wanted for questioning in the shooting deaths Friday of a woman he'd been involved with and a police officer Louisiana authorities say a woman who was fatally shot along with an off-duty police officer in a town outside New Orleans had been chased down in a vehicle by the shooter, who killed her as she lay on the ground after crashing her car. The off-duty police officer who was shot and killed in a New Orleans suburb was a U.S.