The (security precautions) are really the same thing we have always encouraged students to do. If they are not in their room or asleep, leave the door dead bolted. Don't prop open the building doors or let people in who don't live here. If you are not sure if they live here, don't let them in. Those are the kind of security things that apply anytime. Anybody can walk in the building day or night. Everybody is being cautious and watching out for their own security. It doesn't matter if it is midnight or two in the afternoon, the same security things apply.