this was clearly somebody who knew her. >> reporter: carol kennedy, an artist, as recently divorced.utiful daughters, katie and charlotte. jan wheeler lived across the street and was quick to point the finger at carol's ex-husband. >> he's the only person that hated her. no one else could do that to her. >> reporter: some thought the high-earning financial adviser was an unlikely suspect, and his family quickly came to his defense. >> steve couldn't do this to anyone certainly not to carol. not to the mother of his children. >> reporter: but for the cops, democker was the only viable suspect. democker had a weak alibi for the night of the murder. carol's substantial life insurance still listed him as a beneficiary, and carol's friends were telling police that the couple's divorce was far from amicable. >> he was absolutely furious that she would have the nerve to do anything against him. >> reporter: but clearly carol had finally had enough. >> towards the end she was like you know what i think i've counted 17 affairs he's had. the first one that she was aware of was her midwife and