It's not one off case at all. Strategic use of seemingly benign charges like trespass, etc by university or private police departments is just the tip of the iceberg. Police typically attaches a few other frivolous charges such as B&E, theft, disorderly conduct, and resisting arrest. This makes it very expensive to hire private attorneys and court appointed attorneys refuse to go to trial and DA drags it along for year or two before dismissing them on the eve of the trial.

In Massachusetts private police enjoys both the un-constitutional qualified immunity doctrine, and exemption from FOIA document requirements, even though they're in uniform, have badges, carry weapons and make arrests. That makes very difficult to litigate this racket and to get any documentary proof. https://casetext.com/case/harvard-crimson-v-president-and-fe...