William the Truthteller is a fictional character portrayed by Kevin Quigley in the TV series NCIS.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
Conspiracy Theory
episode S2.E19 april 2005A petty officer reports that someone has assaulted her; the NCIS investigates. The victim has a mental illness and has had an affair with a captain under investigation by the FBI; she soon dies by murder. The team figures out everything.