an officer and a gunman in a tense standoff -- >> put it down! >> no! >> -- that ends with both men shot. >> put the gun down, buddy! >> the first thing i thought is i'm losing way too much blood to make it. >> april 2nd, 2011. conroe, texas. sergeant james kellerman responds to an emergency call. a man is wielding a shotgun outside a nearby bakery. >> at the time, it was pretty much all of the comments i had while en route. i was the first responding officer. typically here in conroe a supervisor isn't dispatched primary to the call. i was the closest when i went out so i knew there were two units responding. >> he's got a gun. >> when i pulled in i wasn't quite prepared for what i saw when i got there. he was at of the door of the bakery and hitting it with the butt of the gun. wanting in. as soon as he saw me, his attention was drawn. he walked across the front door,