US vows to track down hijacker freed early By Anton La Guardia, Diplomatic Editor (Filed: 23/12/2005) The United States has vowed to track down and bring to trial a Lebanese hijacker who has been secretly released after serving 19 years in a German prison for seizing an airliner in 1985 and killing a US navy diver. The Bush administration said it had asked Germany not to release Mohammed Ali Hamadi, who was jailed for life for his role in the hijacking of TWA's Flight 847 from Athens to Rome and the shooting of one of the passengers, Robert Stethem. Despite...