A U.S. official told CNN last week that Bergdahl may have tried to escape his Taliban captors on at least two occasions . NEW : News source : Bergdahl did not convert to Islam , learned to speak Pashto . NEW : Law enforcement source : Threats to Bergdahl family came via e - mail . John McCain says released Taliban figures will be monitored . If they turn to violent ways , they will cause violent deaths , he says .
NEW : News source : Bergdahl did not convert to Islam , learned to speak Pashto . NEW : Law enforcement source : Threats to Bergdahl family came via e - mail . John McCain says released Taliban figures will be monitored . If they turn to violent ways , they will cause violent deaths , he says .