NEW YORK (WABC) -- An illegal and dangerous prank has happened so many times this week to so many schools in New York City that police have called in the FBI.
Three schools on Staten Island have been evacuated more than a dozen times this week because of bomb threats.
By now they've got the evacuation plan down pat at Susan Wagner High School.
The scene inside the school played out on social media and from Newscopter 7 above as students filed out after yet another bomb scare. It's the fifth threat in five days.
For sophomore Rebecca Victorio, it's getting a little old.
"We haven't been able to finish classes and stuff like that, a few kids haven't been to their last period classes in the past week, so yeah it's been crazy," Victorio said.
Thursday Mayor de Blasio addressed the recent spate of threats. Nearly a dozen were called or emailed to several schools on Staten Island, in just the past week.
Police arrested a 15-year-old student at Susan Wagner High School, but cops believe copycats have kept the threats alive.
"They need to understand there will be very serious consequences, and they'll wish they hadn't done it," Mayor de Blasio said.
The NYPD is wasting resources.
Michael Reilly is at his wits end.
A retired cop, he's also president of the local Community Education Council, pleading with the public to turn the pranksters in.
"When kids do things like this, they want the exposure , they want to be known that they did it.
Back at Wagner High Thursday night, school safety officers kept watch as a student concert let out. A school community that's just sick of it.
"The first day you're like woo hoo you're out of class and stuff like that, but once it happens a second time it's really like a joke anymore," a student said.