Social Media Colorado shooting unfolds on Twitter Tweets of eyewitness accounts to reporters on the scene reveal, in real time, the tragic events. By Roula Amire@chicagocommsJuly 23, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.