CBS Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google Despite NCIS packing a punch by killing off a main character in its 500th episode, the actor playing the role didn't know they were getting written off. Rocky Carroll broke his silence on Tuesday, March 24, about Leon Vance getting shot by a CID agent before dying from the fatal wound. Carroll, 62, told TVLine that he "was not the catalyst for this happening.