Law & Order: Criminal Intent - Season 1 - Eps 7: Poison
The detectives investigate a murderer who poisons hospital victims with cyanide. They suspect a nurse whose profile is typical, but when they discover more murders away from the hospital they have to widen their search.
About Law & Order: Criminal Intent

Title: Law & Order: Criminal Intent
First Air Date: 2001-09-30
Last Air Date: 2011-06-26
Status: Ended
Rating: 7.6/10 (from 346 votes)
Language: EN
Seasons: 11
Total Episodes: 195
Network: NBC USA Network
Genres: Drama
Production Companies: Wolf Entertainment, Universal Television, Studios USA
Synopsis
The third installment of the “Law & Order” franchise takes viewers deep into the minds of its criminals while following the intense psychological approaches the Major Case Squad uses to solve its crimes.
Cast

Vincent D'Onofrio
Robert Goren

Kathryn Erbe
Alexandra Eames

Julia Ormond
Paula Gyson

Jay O. Sanders
Joseph Hannah