My favorite is Duck! The Carbine High Massacre because it captures the skewed mentality of the shooters better than any other. It looks like something Harris and Klebold could have made. Barring that, my favorite Columbine movie is the collection of videos made by the shooters themselves.
Incel-chasing puritanical degenerate wingnut school abolitionist
Modernity is a disease
“The only person crazy enough to stay with her is that Dylan Harris columbine guy she reads about...she’s like, a trenchcoat mafia loser’s pretend girlfriend come to life!” —overheard in student center, hence screenname