Viewers and critics often highlight the episode for its dual tension—the procedural mystery of the coach's murder contrasted with the emotional and professional stakes of Flack's internal investigation.

In this installment, the CSI team is faced with a literal "human jigsaw puzzle" after the severed remains of a popular high school wrestling coach are discovered scattered throughout New York City. As the investigators work to piece together the evidence and identify the killer, the case becomes personal for the squad.

is the 13th episode of Season 5 of the crime drama CSI: NY , which originally aired on January 21, 2009 . The episode follows two high-stakes storylines: a gruesome murder investigation and a internal crisis for one of the team's detectives. Episode Overview