A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Meanwhile, Senior FBI agent Fornell joins the probe, since he was the lead investigator in the original joint FBI and NCIS case (more…)A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Meanwhile, Senior FBI agent Fornell joins the probe, since he was the lead investigator in the original joint FBI and NCIS case.

NCIS finds a secret government bank account that's funding a nationwide network of vigilante justice. The team must determine who is acting as judge and jury.

The NCIS team places Mateo Diaz, a high-school gang member-turned-informant, in protective custody while they investigate the murder of his junior reserve officers' training corps instructor. Also, Pride needs his brother Jimmy Boyd's help to gain Mateo's (more…)The NCIS team places Mateo Diaz, a high-school gang member-turned-informant, in protective custody while they investigate the murder of his junior reserve officers' training corps instructor. Also, Pride needs his brother Jimmy Boyd's help to gain Mateo's trust.