and his interview with candace shipman, who was bartending that night, provided an important lead. >> she informed me of some things then that she thought was pertinent to the case that she wanted to share. >> shipman said there was more going on between laura and sam freeman that night than just an argument about the pool game. >> sam flirted with laura. he tried for her affections. she just didn't seem interested at all in sam. so i think there was a little jealousy. she just put him in his place. >> and shipman recalled something else that night that she never forgot. she remembered that sam freeman was drinking an italian liquor, galliano. >> he collected bottles, odd-shaped bottles. when she poured the last shot of the galliano, he asked for the bottle because it's an unusually odd-shaped bottle, and she gave it to him. >> witnesses reported seeing freeman leave the bar that night with the galliano bottle. this was significant because of the wounds on laura's head. >> just a pattern that was consistent with the size and shape of that bottle. >> and that wasn't all. eight years af