kathy heckel, he said, had also been seeing another man, a guy named loyd groves. cording to taylor, this fellow groves was a bit of a stalker. >> he said that he had met kathy at a park, a nearby park. he said that there was a gray van parked nearby. he recalled seeing the van. and the next time he talked to kathy, she said, "did you see that van? that was loyd." and he was following her. >> was the guitar man being helpful, or was he trying to implicate a rival to save his own skin? the trooper knew this much. if kathy heckel had been juggling simultaneous affairs with married men, there could be a lot of people who wanted her to disappear, including her husband. >> he was definitely a person of interest. >> exactly how much did john heckel know about what was going on in his wife's life? >>> coming up -- were police looking for a runaway wife or her killer? >> there were just no answers. and that was -- that was the worst part. >> did you feel like you were ever a suspect? >> never worried about it. i knew they were trying to find where kathy was and what had hap