4x06 The Crank in the Shaft
First Aired: Oct. 01, 2008 on FOX
Summary: When the remains of a manager are found in an office building's elevator shaft, Booth and Brennan must attempt to find which employee had the most motive to kill their boss. Meanwhile, Brennan's latest grad student, who has a very bleak and morbid outlook on life, lends his insight.
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Guest Stars[no credits found]