: Distraught that her own forensic science is being used to convict her friend, Abby makes it her personal mission to find the true culprit. She works feverishly in her lab, eventually uncovering the forensic "slip-up" that reveals the frame-job.

: Then-real-life NCIS Director David L. Brant makes a cameo appearance as an agent leaving for the private sector, just a month before his actual retirement.

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