new details about the background of captain bowe bergdahl. he served the coast guard two years before he joined the army and received a discharge usually given to those who serve less than 180 days. the a.t. says it has found bergdahl's old facebook page in which he expressed his frustration with the world and a wish to change the status quo. well, defense secretary chuck hagel faced lawmakers and he admitted the administration could have done a better job of keeping congress informed but he said time was of the essence in making sure that the swap took place. dramatic new video shows the moments of that shooting spree that left two police officers dead. abc's pierre thomas shows us the tape and has the latest on a new warning from the fbi. >> reporter: there they are, barricaded in the auto section of walmart caught on surveillance tape. jared miller and his wife amanda in the middle of a firefight with police.