424, and the subject ran south on main street. >> the captain told a patrolman to guard the evidence. >> he had a pump shotgun and he brought it up to port arms like this and he got a very stern face on it and i said, don't let anybody see it. >> this is the rifle that had the fingerprints of james earl ray on it when it was found outside the boardinghouse. >> the rifle, the one ray bought in birmingham, is on display today. upstairs in the rooming house, now part of the national civil rights museum run by beverly robertson. it's got a scope on the top. >> yes, he had a scope on it. i think he felt he needed a scope, but it was a very short distance. you didn't need to be a marksman or a sharpshooter to be able to hit the target. >> it was an easy shot. >> it was an easy shot. i bet you or i could have made that shot. >> across at the lorraine motel, witnesses had pointed to the back of the boardinghouse.