. >> former los angeles police officer jerry winkel is a county commissioner up in idaho now.t is, before a night of poker and booze when he said paul made a disturbing revelation, that he had shot himself in the leg when he was a cop in order to get retirement benefits. >> chris had been drinking beer. he came out and told me that he had shot himself. >> but there was more. d.a. investigator tom dove had discovered a secret, not in chris' past, but in cristi's. >> there had been infidelity in the marriage in the past, six years prior. while chris hall was in idaho. >> the affair was relatively brief, years earlier. but she had been in phone contact with the man just days before she died. had chris found out? impossible to know. but when investigator dove talked to cristi's co-workers at the clinic where she was an x-ray technician, several said they noticed a sudden change in her usually vibrant personality. one co-worker told them more. >> that she was contemplating a divorce. >> if true, and it was only an if, it might well persuade a jury. prosecutor strunsky also needed t