Law & Order: Criminal Intent (2001)

Season 2: Episode 19

The detectives try to figure out a mystery after an old woman dies in a fire. The mystery gets deeper when a young woman who is left some of the old woman estate is killed. The case takes them to a state public administrator who has invented a form of grave-robbing. The detective suspects the administrator has a weakness for valuable cars, but to make his case work, he has to exploit his quarry's personal relationships.