<p>In Duke’s case I don’t really know how far an informal arrangement can go. Duke police can’t really go off campus to do patrols and usually police departments won’t dedicate a lot of manpower to exhaustively patrol a small area at 2am in the morning.</p>
<p>Edit: </p>
<p>Having read the article above, I hope no one is suggesting Duke strictly enforce “Classroom Decorum” and compulsive wearing of IDs…</p>