Police say Jabari Dean, 21, made the online threat in retaliation for the fatal police shooting of teenager Laquan McDonald.<br />Police have arrested a suspect they say made shooting threats at the University of Chicago, causing a campus-wide evacuation. CNNs Ryan Young has the .<br />Police have arrested a suspect they say made shooting threats at the University of Chicago, causing a campus-wide evacuation. CNNs Ryan Young has the .<br />Police have arrested a suspect they say made shooting threats at the University of Chicago, causing a campus-wide evacuation. CNNs Ryan Young has the .
