out of prison." >> david boney continued and then told him he used to be a state trooper. >> at the end of that day, did you know him by name? >> no, i didn't know his full name until our second chance meeting. >> that meeting was in september, boney said, about a week or so before the murders. they ran into each other at a convenience store and got to talking in the parking lot. >> the gist of our conversation was about, "are you employed?" "are you staying out of trouble?" and then, it evolved into, "well, what types of things did you do to get in prison in the first place?" he was creating his own form of intel. he was learning quite a few things about charles boney. >> boney told him he'd been inside for robbery. >> and when i slowly started to let him know about some of the things that i did in the past, he asked me, "well, are you still able to get untraceable weapons?" >> untraceable. >> that's, that's what it led to, i'm just --. >> a clean, clean gun. >> a clean gun. >> throwdown gun. >> something that can't be traced by law enforcement and ballistics. >> so boney said he scored a handgun the same day, met david again in a parking lot and handed over the weapon. he paid boney $250.