Is that a threat?
Formerly MPC. Now I clean up messes for people who don't like surprises.
Jessica Roberts. Formerly of Chicago PD. Now... freelance.
likely refers to the "Military Police Corps" (or just "Military Police") as mentioned in Yellowjackets Season 2, Episode 5 ("Two Truths and a Lie").
JESSICA (50s, cynical) opens the door. A MAN (40s, buzz cut, rigid posture) stands there. He holds a folder.