1) Birdman of Alcatraz extras 2) Bunch behind bars 3) Con men 4) Cons 5) Cooler guys 6) Joint tenants 7) Life partners 8) Pen pals 9) People serving time 10) Prison occupants 11) Stir people 12) Stirbirds 13) The Green Mile group 14) They may have flight plans Found on https://www.crosswordclues.com/clue/inmates