<p>why would you NOT tell someone, imagine if this happened on the street, would you not call the police</p>
<p>it is ABSURD you have waited this long to do something about this, I don't understand the waiting, and ignoring the violent and illegal behavior of someone</p>
<p>I would document everything you are aware of, what he has done, said, threatened, physically hurt etc., and hand deliver it to the dean, skip the RA, there is no time</p>
<p>And say:</p>
<p>this guy scares us, we didn't do anything before because we thought we could ride it out, and as school is almost over, we have, but we are giving this information to you, so that when and if this man does hurt someone, at least you have been warned</p>
<p>Yes, we should have come forward earlier, but we didn't think</p>
<p>(if you don't report this, and someone is seriouslly hurt, then you will feel terrible)</p>
<p>(and can you explain why you did nothing for so long? if you can explain it, and show that it was a mistake to let this go, maybe we can convince others that reporting something like this is imperative)</p>