Law & Order Season 19 Episode 20
Exchange
Two engaged scientists die in a fire and their mentally challenged neighbor is injured while trying to help them. The detectives discover that the couple was stabbed before the fire and this leads them to a disturbed and extremely jealous woman.
Guest Stars
Elizabeth Marvel
Ms. Grubman
Leslie Hendrix
Elizabeth Rodgers
Olga Merediz
Allard Harper
David Fonteno
Derek Hafner
Joshua Nelson
Officer Rios