al qaeda had strong base out of dunbar province area. >> roy hallums residence for the next ten monthsis underground bunker, seen here in photos, later taken by the fbi's evidence response team. the conditions, inhumane. >> i was always tied up. always had a blindfold. when they shot the door, it would be totally black. if you tried to stand up, you had to bend over, because it was so short. i was like that 24 hours a day. >> i've been in law enforcement 30 years. i've never heard of such a horrendous environment for someone to be in. >> on close up this morning, american hostage roy hallums. he was snatched in baghdad nearly three months ago. on tuesday, a video of him appeared pleading for his life. >> i'm please asking for help because my life is in danger. >> proof of life video is just that. it's going to show anybody who is interested, whether it be family, whether it be law enforcement, that we have this person and he's alive. >> they take the mask off. on my left there's a man with an ak-47. he puts a piece of paper like right here. he says, you read it. my worst thoughts are,