but there was nothing slow about jennifer shanbrom and her lover matthew fletcher. they moved quickly to cash in on all that insurance money. and before long began buying up the luxurious lifestyle jennifer always wanted. coming up -- was this chilling crime destined to become a cold case? >> i do remember thinking, what if they get away with it? >> reporter: or was it about to heat up? >> persistence is the key. i never give up. >> reporter: when "along came a spider" continues. >>> not enough evidence. too many questions. no smoking gun. a few weeks after joel shanbrom was shot to death in his own living room the investigation into his murder seemed to stall. which made what happened next all the more infuriating for investigators to watch. joel's widow, jennifer, and her constant companion matthew fletcher were not wasting any time cashing in. >> immediately after the murder the very first thing on matt file for everything in terms of insurance. >> matt was spearheading the collection of all the insurance funds. he would more or less tell these insurance agents wh