Where is the Bowie Knife in the COD: Black Ops zombie map 'Five'?

I've looked everywhere and I can find the bowie knife anywhere on Five. Does anyone know where it is?Where is the Bowie Knife in the COD: Black Ops zombie map 'Five'?
Just go to the laboratory under the defcon room by taking the elevator,

North west from the elevator theres a room where you can find the bowie knifeWhere is the Bowie Knife in the COD: Black Ops zombie map 'Five'?
when you get to the second elevator its in the first room on the left

muffler

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