: The true killer is revealed to be Abby's lab assistant, Charles "Chip" Sterling . He framed Tony as revenge for Tony previously getting him fired from a medical analysis firm. The episode reaches a climax when Chip attacks Abby in her lab with a knife, but she manages to overpower and subdue him before the team arrives. Notable Production Facts
The episode centers on a high-stakes investigation when a pair of severed female legs is discovered in a wooded area on the Marine Corps Base in Quantico. The team is horrified to find that all forensic evidence—including a bite mark matching Tony’s dental records, his fingerprints, and even fibers from his car—points directly to as the murderer. [S3E9] Frame-Up
Due to the conflict of interest and the severity of the evidence, Director Jenny Shepard turns the case over to the FBI, with Agent leading the investigation. Key Character Moments : The true killer is revealed to be
: Fans often cite this as a standout episode for Michael Weatherly's performance, particularly during a monologue in the holding cell. Notable Production Facts The episode centers on a
: The episode was directed by Thomas J. Wright and written by Laurence Walsh. "NCIS" Frame Up (TV Episode 2005) - IMDb