CSI: NY - Season 5 - Eps 18: Point of No Return
When the wife of a former medical examiner is found murdered, a white powder found at the scene provides the CSIs with a major lead in tracking the killer when it is discovered that the powder is heroin made from human bodies.
About CSI: NY

Title: CSI: NY
First Air Date: 2004-09-22
Last Air Date: 2013-02-22
Status: Canceled
Rating: 7.353/10 (from 709 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