Colleges across the country deal with shooting hoaxes as classes resume

At least a half-dozen universities across the nation on Monday welcomed students to first-day-of-fall classes with run-and-hide warnings about possible gunmen on campus. In almost all the cases, police and administrators said the reports were hoaxes or swatting calls, which is when someone uses temporary cellphone numbers and voice-cloaking apps to create havoc. A few campuses said simply that no evidence of a gunman or violence was found. The reports were sent to students at t