CSI: Crime Scene Investigation

Episode 9.21 : If I Had a Hammer...

CSI: Crime Scene Investigation Poster

TV Info

Episode Premiere

April 23, 2009




Action, Crime, Drama, Thriller

Show Period

2000 - now

Production Company

Jerry Bruckheimer TV, Alliance Atlantis, CBS

Cast and Crew


Brad Tanenbaum


Allen MacDonald, Corinne Marrinan

Main Cast

Additional Cast


Catherine is called in by Eckle to revisit a crime that took place nine years prior. She was a newbie at the time. She put away a young man for murder. Nine years later he has educated himself in prison -- and is claiming that the conviction was faulty. The CSIs have to re-prove the case - and re-convict this man. Catherine suffers a crisis of confidence when it looks as if he may have been innocent and working with an accomplice. In the end it turns out there was an accomplice -- his high school sweetheart, who is now a upscale suburban mom. He protected her all these years, but now it is revealed that she was the one that actually committed the murder.

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