Northern Illinois University student Alyssa Witherby, junior communications major, takes notes prior to her Communications 356 class in Cole Hall. The classroom building reopened today after renovations began in March 2010. Cole Hall has been closed since being the site of the February 14, 2008 shooting at NIU, which killed five students and the gunman, Tuesday, January 17, 2012 in DeKalb, Ill.