CSI: NY - Season 1 - Eps 20: Supply and Demand
When a college student is beaten, shot to death and his apartment ransacked in what appears to be a drug-related hit, the team must track down his killers. After examining the evidence in the murdered student's apartment, the team finds traces of pure, unprocessed heroin and discovers that the victim had a female roomate who is now missing. Meanwhile, Stella's aggressive interrogation tactics with a witness threaten her police badge.
About CSI: NY

Title: CSI: NY
First Air Date: 2004-09-22
Last Air Date: 2013-02-22
Status: Canceled
Rating: 7.4/10 (from 699 votes)
Language: EN
Seasons: 9
Total Episodes: 197
Network: CBS
Genres: Crime, Drama, Mystery
Production Companies: CBS Productions, Jerry Bruckheimer Television, CBS Studios
Synopsis
Follow the investigations of a team of NYPD forensic scientists and police officers identified as "Crime Scene Investigators".
Cast

Gary Sinise
Mac Taylor

Anna Belknap
Lindsay Monroe

Sela Ward
Jo Danville

Carmine Giovinazzo
Danny Messer

Hill Harper
Sheldon Hawkes

Eddie Cahill
Donald Flack Jr.

Robert Joy
Sid Hammerback

A.J. Buckley
Adam Ross