A research assistant is injured when a package from the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Unabomber" id="mwARo" rel="mw:WikiLink" title="Unabomber">Unabomber</a> addressed to a <a href="https://en.wikipedia.org/wiki/University_of_Michigan" id="mwARs" rel="mw:WikiLink" title="University of Michigan">University of Michigan</a> professor explodes.