Law & Order - Season 7 - Eps 22: Past Imperfect
The cops have a definite clue when a bloodstain that's not the same as the victim reveals that the killer was a blood relative, and the prosecutors stumble when their chief suspect claims their chief witness is her lawyer, and his knowledge of the crime represents privileged communications.
About Law & Order

Title: Law & Order
First Air Date: 1990-09-13
Last Air Date: 2025-05-15
Status: Returning Series
Rating: 7.402/10 (from 628 votes)
Language: EN
Seasons: 26
Total Episodes: 524
Network: NBC
Genres: Crime, Drama
Production Companies: Wolf Entertainment, Universal Television, Universal Media Studios
Synopsis
In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.