7
/10
Undersheriff Jeffrey McKeen is a fictional character portrayed by Conor O'Farrell in the TV series CSI: Crime Scene Investigation.
In the first episode they appeared in, titled Secrets & Flies (season 6), they were 49 years old.
They appear in 13 episodes out of a total of 335 aired

Undersheriff Jeffrey McKeen

by Conor O'Farrell

character

Episodes13

  • 7.6
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    Secrets & Flies
    episode S6.E6 november 2005
    Catherine investigates the murder of a young mother who claimed God got her pregnant, while Grissom witnesses a very shady trial.
  • 8.3
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    A Bullet Runs Through It: Part 1
    episode S6.E7 november 2005
    After a massive shootout between the LVPD and a Latin American mob gang, the CSI team have to find and process hundreds of bullets to determine exactly what happened.
  • 8.5
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    A Bullet Runs Through It: Part 2
    episode S6.E8 november 2005
    The CSIs continue to process the evidence collected from the high-speed chase. They must also find the bullet which killed a police officer to determine who shot him.
  • 8.1
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    Kiss Kiss, Bye Bye
    episode S6.E13 january 2006
    Someone tries to kill a diva called Lois O'Neill, who was related to the mafia years ago, and a waiter is killed instead. The CSI investigates the case, but more than ever, nothing is what it seems.
  • 8.4
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    Rashomama
    episode S6.E21 april 2006
    A criminal defense lawyer is murdered at her son's wedding and tied to the back of a car with beer cans. It is later revealed that she had a bad attitude at the bride, the groom's father, and basically everyone else.
  • 7.8
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    Way to Go
    episode S6.E24 may 2006
    While Jim Brass is in surgery the team has two cases to tackle. The first involves a man, found decapitated on train tracks, with a 19-inch waist. Further investigation reveals that he wore a wasp corset, as was fashionable with gentlemen during the Civil War. The other crime scene is in a hotel room where a man is found in his boxers, dead, on the bed. Scattered around the room are evidence of a wild night of alcohol, drugs, and sex. Ellie, Brass's estranged daughter, comes to visit her father from LA.
  • 7.8
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    Redrum
    episode S7.E13 january 2007
    Keppler proposes that Catherine create a phony crime scene to help catch a murderer, and to keep it secret from the other investigators. However, Nick quickly figures out that something is fishy.
  • 7.4
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    Big Shots
    episode S7.E19 april 2007
    A death in a drive-by limo shooting and the dragging death of a young woman turn out to be related crimes, and Greg discovers that the brother of the young man he ran over may have been involved.
  • 7.6
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    Cockroaches
    episode S8.E9 december 2007
    Two dead bodies lead CSI to an old-school mobster who runs a strip club. Meanwhile, divorce proceedings and prescription drug addictions cause Warrick's life to begin spinning out of control.
  • 8.7
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    For Gedda
    episode S8.E17 may 2008
    A mobster that Warrick had a run-in with is found dead, and Warrick is found at the scene with the murder weapon. However, he insists that he has no recollection of the crime.
  • 9
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    For Warrick
    episode S9.E1 october 2008
    CSIs past and present come together at the news of Warrick's death. But will Warrick's real killer successfully frame another police officer for his murder?
  • 8.3
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    Homecoming
    episode S12.E22 may 2012
    While at a campaign dinner for the Sheriff, the team are called to a triple homicide with a familiar victim.
  • 7.7
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    Karma to Burn
    episode S13.E1 september 2012
    While Ecklie fights for his life after the shooting, the team close ranks in preparation for McKeen's next move.