false alarm

Michigan State University Sends False Campus Shooter AlertPolice at Michigan State University say the school's emergency alert system sent out a false warning of someone firing shots on the East Lansing campus.
Oakland University Mistakenly Alerts Students To 'Shooter On Campus'"University officials regret the error and any confusion and inconvenience it may have caused, and are working to ensure this mistake does not happen again."
Police: WSU Sexual Assault Claim FalseIt turns out the woman who reported a sexual assault at Wayne State University this week was lying.
DPD: False Burglar Alarms Are Wasting Our TimeThe Detroit Police Department says too much of their time is wasted responding to false burglar alarm calls.