"Authorities found no evidence of a gunman reported to have been on the MIT campus on Saturday morning. Their search was prompted by a tip to the Cambridge Poli

"Authorities found no evidence of a gunman reported to have been on the MIT campus on Saturday morning. Their search was prompted by a tip to the Cambridge Police Department (CPD), which is now calling the incident a 'false report.'" http://web.mit.edu/newsoffice/2013/police-find-no-evidence-of-gunman-reported-on-campus-0223.html http://web.mit.edu/newsoffice/2013/police-find-no-evidence-o... All's well that ends well.