A U.S. citizen detained in Egypt for violating curfew in August was found dead Sunday in his jail cell, the second foreigner to die in detention in recent weeks. ... Security officials identified the man as James Henry, 66, a retired U.S. Army officer who arrived in Cairo from the Gulf kingdom of Bahrain on Aug. 25. Henry was detained by army troops in the turbulent region of northern Sinai three days later while making his way to the border crossing with Gaza in the town of Rafah