The suspect, who put a bomb in a backpack at Utah Pine View High School Monday, researched and promoted information on ISIS, police told local reporters Tuesday. "After examining the device, bomb squad members indicted that if it had detonated, the device had the potential to cause significant injury or death".
The student did admit to making the threat, but said that it was just a joke, according to police.
After obtaining a search warrant, police found materials in the teen's home matching those found in the bomb.
Police have pressed charges in two recent cases in Montgomery County, including against a 15-year-old student at Northwest High School in Germantown.
"The Topsham Police Department is confident he is the sole suspect in this investigation and thanks to a connected person, we were able to close this investigation successfully", the department said in a Facebook post. Officials have not named the boy, describing him only as a juvenile male. More charges may be pending to include charges of criminal mischief from the Hurricane Police Department for an incident that occurred at Hurrican High School on February 15.
WH's John Kelly defends himself against Porter scandal
Keilar pointed out Kelly said there was "no reason for him to even consider resigning and no reason to have considered resigning". Kelly admitted that Porter should not have been allowed back in the White House on Wednesday, the day after he was forced out.
No weapons were on school property and there was no imminent threat to student or staff safety.
Citing an ongoing investigation, police would not discuss the nature of the student's threat. On Thursday, Albert Einstein High School in Kensington was placed on lockdown because of an emailed threat about an explosive device outside the building. The student was suspended and removed from the school property Monday with the assistance of his parents.
St. George police did not respond to BuzzFeed News' request for comment Tuesday evening. Our investigators further determined that he had no means to carry out the threat. "With everyone's help, we can continue to keep our school a safe and effective place to learn".
Students are taken into custody after threatening to "shoot up the school" in Warren County.
UPDATE (3/6/2018): Police arrested Bogi Maxwell, 18, for the shooting.