FN21.   See, e.g., Mass. Gen. Laws ch. 22C, 23 (imbuing employees at educational institutions who have been appointed “special state police officers” with “the same power to make arrests as regular police officers for any criminal offense committed in or upon lands or structures owned, used or occupied by such college, university, or other institution . . . .”); Mich. Comp. Laws 338.1079 (similar); D.C. Code 5-129.2, 23-582(a) (similar).