Their son's alleged killer, in the U.S. illegally, had been let out of jail onto streets. The attack on the Los Angeles Police Department's Special Order 40 -- which limits when officers can ask about the citizenship status of suspects -- has come largely but not exclusively from anti-illegal-immigration forces. But now the order has a new and potentially potent foe: the family of Jamiel Shaw Jr., the Los Angeles High football star who was killed last month. Police have charged a gang member who was in the country illegally with Shaw's slaying. Jamiel Shaw Sr. and his wife,...