WATCH: Preview Of Episode 3, Season 15 Of NCIS
The subsequent investigation leads the team to new evidence from a decade-old murder.
Meanwhile, an old friend of Ducky's ( David McCallum), Cadence Darwin (guest star Susan Blakely), offers the chief medical examiner an opportunity during his guest lecture series.
STREAM: Full Episodes Of NCIS On CBS All Access
Will Torres and the rest of the team be able to track down the special agent's stakeout partner?
Watch all-new episodes of NCIS on Tuesdays at 8/7c on CBS and CBS All Access.