Official episodic photos for NCIS season 13 episode 7, “16 Years,” airing Tuesday, November 3.

From CBS: “The NCIS murder case of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases. Jessica Walter guest stars as Judith McKnight and Richard Riehle guest stars as Walt Osorio, both members of the secret society.”

#6 What Happened to This Retired Navy Lieutenant Commander?

#5 What are They Looking at?

#4 What’s Under the Microscope?

#3 What Is Gibbs About to Find Out?

#2 Guest Stars Jessica Walter and Richard Riehle

#1 Gibbs’ Living Room Has Been Invaded