kathy, it was her fourth marriage. her previous husband, charles augustine, was an airline pilot. he'd suffered a stroke and was hospitalized. and chaz higgs was his nurse. that's when kathy and chaz met. >> they were seen together in the hospital, out having meals together in the hospital cafeteria. a relative of charles augustine was quoted as saying he thought it was odd, that kathy and the nurse were spending so much time together. >> charles augustine died in the hospital. kathy and chaz married just three weeks later. >> it was a relationship that developed very quickly. it took all her friends and family off guard. >> it just seemed very naive, and of course we didn't express that to her. we wished her well and hoped for the best. >> kathy augustine was the beneficiary of charles augustine's $1 million life insurance policy. investigators learned that kathy and charles had talked of divorce before he suffered the stroke. it is unclear if kathy would have remained the beneficiary if the two had divorced. investigators now wondered if charles augustine had been a victim of fou

. >> kathy augustine was one of