killed in captivity in June 2007. The FARC said they died in cross-fire during a military rescue mission. The Colombian army rejects that assertion. When the bodies were recovered three months later, autopsies showed most had been shot multiple times in the back. Lopez was the sole survivor. On Thursday night, he may be able to tell the rest of the world what happened that day. FARC has released five other hostages in the past week. On Tuesday, Alan Jara, the former governor of Colombia's Meta state, arrived at the airport in Villavicencio, southeast of Bogota. Four hostages -- three police officers and a soldier -- were released over the weekend. Colombian Sen. Piedad Cordoba has brokered the releases with the help of the the International Committee of the Red Cross and a group called Colombians for Peace. Brazil also has helped, providing the aircraft used in the releases. The FARC, the largest and oldest guerrilla group in Colombia, announced the releases December 21 and designated Cordoba as the coordinator. Some analysts see these releases as a first step toward an eventual peace accord. Others suggest this is just another sign that government military gains combined with a tough right-wing political line are gradually beating the FARC into submission. Colombia has said the rebels are still holding about 700 captives The government recently has offered rewards to