KINGSTON, Jamaica June 23 — The mother of teenage sniper suspect Lee Boyd Malvo says no one took her seriously before the shootings when she warned U.S. authorities her son was in danger from John Allen Muhammad. In a taped interview aired Sunday with Jamaican television station TVJ, Una James said she told police in Bellingham, Wash., in September 2001 that Muhammad was a bad influence and asked that her son be removed from his care. "They were to blame," James said of police in her first aired interview since her son's arrest. "I told them that I needed help,...