This is the best summary I could come up with:

The calls are being investigated by the FBI and have generated an aggressive response by local law enforcement — particularly after officers in Uvalde, Tex., came under criticism for waiting more than an hour to confront the gunman during the May 2022 elementary school massacre.

The shooting hoax calls often come in waves, with multiple schools in a state targeted on the same day, and most are “remarkably similar,” said Drew Evans, the superintendent of the Minnesota Bureau of Criminal Apprehension.

Catalin Grigoras, director of the National Center for Media Forensics at the University of Colorado at Denver, conducted a technical analysis for The Post of five of the hoax calls made between September 2022 and April 2023.

For more than a year, law enforcement agencies across the country have fed information about school shooting hoax calls to the FBI, hoping to leverage the bureau’s superior investigative resources.

An analyst at Utah’s Statewide Information and Analysis Center made a presentation to local lawmakers about the swarm of school shooting hoaxes that took place in the state two months earlier.

The morning of the hoax, Cormac Lynn, the schools superintendent who oversees Nouvel Catholic, was on the phone in his office in an adjoining building when he saw police vehicles with lights flashing and sirens blaring race into the parking lot.

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