"His [Sgt. Bergdahl's] behavior was very odd. Most people don't throw down their equipment and just walk out into mountains of Afghanistan and join the Taliban," he said. "Something is not right with this guy."
Between 2006 and 2009, however, the Army became more serious about prosecuting deserters on deployments to deter those who were on their second, third or fourth tour of duty and "looking for a way out," Mr. Rinckey said.