Ahmed Obeid, a doctor who worked with U.S. aid worker Abdul-Rahman Kassig at a hospital in Tripoli, speaks during a news conference calling for his release in Tripoli, northern Lebanon November 8, 2014. Kassig, a 26-year-old humanitarian worker from Indiana whose first name was Peter before he converted to Islam while in captivity, was abducted on October 1, 2013.
Abdul-Rahman Kassig fishes with his father, Ed Kassig, near the Cannelton Dam on the Ohio River in southern Indiana in 2011 in this photo courtesy of the Kassig family.