>> investigators from our office spoke with a lot of people associated with robert reichard. >> couldhe was not on gps monitoring at the time, no. >> so if he was going to see teresa or if he was going to stalk raymond, no one would have known about it? >> a fair assessment. >> he certainly would have access to antifreeze. >> everybody has access to antifreeze. >> while detectives were trying to find out if teresa's ex-boyfriend turned letter bomber had anything to do with ray's death, they dug deeper into teresa's past, but the investigation went slowly. weeks became months and ray's family counted the days. >> it just felt like we were getting swept under the rug. >> some people would have given up in that instance? >> how could you? it's your father. your father was murdered, you're not going to give up. >> so what did you do? >> i pressed on. i did what i had to do. i made sure that there was justice. >> that was easier said than done. hard times were coming to ashtabula county. >>> two strong suspects, but the case is about to go cold. why? because instead of looking for killers,