NCIS: Origins showrunner David J. North reveals whether fan-favorite Caitlin Todd will return in the prequel series or not.

Cote de Pablo's Ziva David left NCIS, but came back ... only to leave again. Now, a spin-off is on the way. Here's what ...

There have been several deaths in NCIS. But some remain memorable, much like the death of Special Agent Caitlin Kate Todd.