The author of this package was caught with 50lbs of Potassium Nitrate (in the middle of NYC) and a bunch of materials on making bombs and booby traps when his apartment caught fire:
https://abc7ny.com/suspicious-package-queens-astoria-fire/64...
https://www.qgazette.com/articles/more-charges-possible-for-...
https://nypost.com/2020/09/16/resident-of-nyc-home-with-susp...
He might have been the unibomber in training.
Don't want to pile on, but dude clearly seems to be going through mental issues.