pete williams joins me with the late latest. what are you hearing? reporter: there s an apparent connection between this and the mcdonald case you were talking about. a student at another university in the chicago area, the university of illinois at chicago, has been arrested and will be in federal court this afternoon to face charges of making this online threat that shut down classes today at the university of chicago. the classes will open tomorrow. the cam pause will be back open. according to officials, somebody saw on a website a threat to the university of chicago that was pretty specific about time and place, the main quad of the campus at 10:00 a.m. today. and it was said that it was going to be in retaliation for the shooting of laquan mcdonald. the fbi has since determined who or believes they know who sent this message, posted this message and that person s residence we re told has been searched but no weapons have been found.