it had to do with his first wife jennifer who died from liver disease. he thought it was a suspicious coincidence that her death coincided with his new relationship with laura. >> we spoke with the district attorney's office because we said that this needs to be investigated. >> you learned that it would be possible to poison someone and it could look like sources of deliver? >> from talking with different people, that is a potential. >> did you think about that, maybe paul tucci poison his wife? >> without a doubt. >> both the sheriff and the district attorney wanted to exhume her body. but the medical examiner was satisfied with the original autopsy. >> the medical examiner wrote on the death certificate what happened, stop bringing her into this, she had nothing to do with it. >> the questions about jennifer tucci's death went nowhere. the prosecutor didn't pursue it. then, as the summer of 2017 approached, the craig rideout