While pursuing a dangerous arms dealer, the team is shocked when Bishop is implicated in an old NSA leak while Gibbs and Marcie realize the killer they've been tracking may be onto them.
| Title | Rule 91 |
|---|---|
| Genres | Crime Drama Action & Adventure |
| Release Date | 2021-05-25 |
| Episode Runtime | 00 Hours 42 Minutes |
| Season Number | 18 |
| Episode Number | 16 |
| Production Companies | Paramount Television, Belisarius Productions, CBS Studios |
