MILWAUKEE (AP) – A Wisconsin husband accused of shooting and killing his police officer wife on Christmas Eve has been ordered held on $1 million cash bond.    Ben Gabriel Sebena, of Menomonee Falls, made his initial appearance Thursday. A Milwaukee County court commissioner imposed bail and set a preliminary hearing for next week.  A criminal complaint says 30-year-old Jennifer Sebena was found lying on the pavement outside the fire department. She’d been shot five times in the head.  The complaint says Jennifer Sebena told a colleague about three weeks earlier that her husband had put a gun to her head.        The complaint also quotes Ben Sebena as telling investigators he’d been jealous of other men with regard to his wife.  A message left with Ben Sebena’s defense attorney was not immediately returned.