Things You Didn't Know About NCIS' "Dead Letter"

NCIS writers struggled with how to present Trent Kort's missing eye.

NCIS writers struggled with how to present Trent Kort's missing eye.

"To patch or not to patch Kort's missing eye—that was the question," writer Steve Binder said. "And 100 man-hours went into answering it."
NCIS last tangled with Trent Kort in Season 8's

NCIS last tangled with Trent Kort in Season 8's "Pyramid."

Watch "Pyramid" on CBS.
Almost every actor involved in Monroe's takedown was injured while filming the scene.

Almost every actor involved in Monroe's takedown was injured while filming the scene.

Well, almost all. The actor meant to face-plant on the street was thankfully left unharmed!
The health clinic visited by Bishop and DiNozzo was inspired by a Rolf therapy session taken by writer Steven Binder.

The health clinic visited by Bishop and DiNozzo was inspired by a Rolf therapy session taken by writer Steven Binder.

"Not for the faint of heart," Binder said of the experience.
Emily Fornell was last seen in Season 12's

Emily Fornell was last seen in Season 12's "Cabin Fever."

Watch "Cabin Fever" on CBS.