and putting pressure on that friend, charles capone, is what happened next. n of a gun, a big no-no for a former felon. capone was placed in the county jail while awaiting federal charges on a firearm violation. in a cell, the visiting detectives had his full attention. >> and i get this interesting visit from dan hally and jackie nichols. >> i essentially opened it up with, "today, charles, you're going to tell me you killed rachael and where her body is." and his response was, "well, you only got one of those right. but i didn't kill her." >> reporter: if charles didn't kill her, who did? the investigators landed hard on david stone, the only other person known to have been with rachael that night. >> and we confront him with, "stone, we know you got blood on your hands." his response was he just sat back, and he said, "i need a drink of water." never denied it. but that's when -- then he wanted his attorney after that. >> reporter: with no reason to hold him, david stone was free to go home to wife alisa, the woman cops feared he wanted dead. but not charle

other than capone did it, the defense team turned its sights on the cops, all the things they hadn't found in their investigation. for starters, there was no physical evidence recovered at charles' garage. >> you didn't see any signs of a struggle outside? >> that's correct. >> reporter: and, when cops recovered rachel's vehicle, there were fingerprints, but not capone's. >> they didn't match anybody that was in the system. >> reporter: but, attacking the evidence wouldn't be enough. >> everyone, please be seated. >> reporter: just as for the prosecution, the defense case lived or died on the credibility of david stone. during a grueling, day-long cross examination, charles' lawyer attacked david stone's veracity and his motives. david claimed he helped dispose of rachael's body, and then kept quiet all those years because he was in fear of his life from charles. and yet they continued to pal around. >> why did you keep that contact every day? >> well, i kind of like to know where someone's at if i'm concerned about my safety. >> reporter: capone's lawyer suggested that david stone was only out to save his own neck. and were you hoping for some leniency? >> and still am. >> rep

. >> reporter: a publicly christian man with a notorious gangster's last name, charles capone. >> i asked her out for dinner and we went to dinner, and we found each other attractive. >> reporter: what made you laugh about her? >> how she looked at life, everything is to be absorbed. everybody should have a good time. nobody should fight. >> reporter: what was going on in her life? >> i thought she was a brilliant woman. i thought, "oh, this woman's focused, got direction, awesome." >> reporter: rachael told her daughters about charles, how devout, kind, and handsome he was, and successful. he owned a busy auto repair shop up the road a ways in moscow, idaho. >> he did service on people's cars for no charge to help, you know, people who didn't have the money in the community. >> reporter: the new couple were soon regulars at sunday worship. and charles found himself with a new business partner. >> she started helping me with the shop. she had that office totally changed around and working more efficiently and saving me money in just a matter of, you know, two months. >> reporter: rachael