A wife shot and killed her estranged husband last Sunday at a west Arlington home, police said.Colette Reyes was being held in the Arlington jail on a charge of murder, according to the police department's jail report.The Tarrant County medical examiner's office has yet to release the name of the husband.Police were called to a shooting report at the home in the 1800 block of Lakeside Drive at about 9:30 p.m.