> so meet me here on thursday night in the evening and you'll have some more cash in your pocket? >> absolutely. >> reporter: it was thursday, september 28, the evening of the murders. >> i arrived at mr. camm's house at approximately 7 o'clock. >> reporter: he said he handed over the gun to camm wrapped in his gray sweatshirt. >> where's this happening? >> right outside the garage. so we exchanged pleasantries and my sole purpose is to simply get the $250 for the second weapon. >> reporter: boney says after a few minutes in the bronco, the wife and kids arrived and pulled into the garage. >> and what happens? >> i hear a little bit of commotion. it just sounds like something's not right. it sounds like they're arguing. and then, all of a sudden, i hear an immediate pop. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies."> > so meet me here on thursday night in the evening and you'll have some more cash in your pocket? >> absolutely. >> reporter: it was thursday, september 28, the evening of the murders. >> i arrived at mr. camm's house at approximately 7 o'clock. >> reporter: he said he handed over the gun to camm wrapped in his gray sweatshirt. >> where's this happening? >> right outside the garage. so we exchanged pleasantries and my sole purpose is to simply get the $250 for the second weapon. >> reporter: boney says after a few minutes in the bronco, the wife and kids arrived and pulled into the garage. >> and what happens? >> i hear a little bit of commotion. it just sounds like something's not right. it sounds like they're arguing. and then, all of a sudden, i hear an immediate pop. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description"> > so meet me here on thursday night in the evening and you'll have some more cash in your pocket? >> absolutely. >> reporter: it was thursday, september 28, the evening of the murders. >> i arrived at mr. camm's house at approximately 7 o'clock. >> reporter: he said he handed over the gun to camm wrapped in his gray sweatshirt. >> where's this happening? >> right outside the garage. so we exchanged pleasantries and my sole purpose is to simply get the $250 for the second weapon. >> reporter: boney says after a few minutes in the bronco, the wife and kids arrived and pulled into the garage. >> and what happens? >> i hear a little bit of commotion. it just sounds like something's not right. it sounds like they're arguing. and then, all of a sudden, i hear an immediate pop. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">