Category "in-the-line-of-fire"

Why do they also carry other guys' photos if they know Mitch Leary is the assassin?

In "In the Line of Fire" (1993), the security also carries other guys' photos with them, even though they already know Mitch Leary is the assassin. Why do they

What is the significance of "C-12" in In The Line Of Fire?

Mitch Leary's file is classified in In The Line Of Fire (1993, written by Jeff Maguire) as "C-12". What is the meaning/significance of "C-12"? I imagine it