back. you're under arrest. stop. >> but before he can get the handcuffs on -- >> stay in the car! >> -- the passenger door opens. trooper stone reaches for his weapon. >> when that door first came up open, the look on that man's face as he was first getting out of that truck i will never forget. stay in the car! get in the car! >> the driver and passenger both pull guns. [ gunfire ] [ screaming ] >> the driver was able to use his free right hand. i never did observe a gun. so that tells me it was further down and hidden from my view. and in the video you can see him dig down in there and pull a semiautomatic pistol out of his pants. >> they both unload their weapons. trooper stone falls down an embankment before he can fire back. >> it's believed they took about 20 shots at me. so they fired until the guns were empty. >> they flee the scene, leaving the police officer for dead on the side of the road. >> they just wouldn't stop