Authorities: Teens charged in trespassing case were in 'planning stage of school shooting'

…A criminal affidavit states that Pringle had a past history of threats and "dangerous actions" towards the school district, including lighting a carpet on fire and bringing fireworks to the school in January of 2018, as well as the prior shooting threat…
https://wjactv.com/news/local/two-teens-charged-with-conspiracy-to-commit-terrorism-in-westmont-trespassing-incident