In the US, the teenager went to the police because of the case for the smartphone in the form of a gun : In the World : Vladim
February 20, in the state of Florida in the police Department of the village of Deland received a message from a student who told me about a teenager with a holster for the pistol. Law enforcement officers promptly arrived at the address and cordoned off the building of the school.
Information about this incident spread to us media. Police found the alleged attacker, armed with a pistol. They were 15-year-old boy, but it was a false alarm. Instead of a holster for the revolver police found the student only case for smartphone. The Sheriff thanked the students for vigilance.
Today in American colleges and universities regularly murders occur with a firearm. In this regard, police urge young people not to hesitate to report strange behavior of teenagers. Law enforcement officers will come and will understand, it is better to prevent crime than deal with its consequences. February 17 this year in the school of city Parkland victims of the shooter were 17 people.