Not sure how much you guys watch videos about your game, but I was just watching this guy explain this glitch and figured I'd send it over.

It's from Mylo the sniper here: https://youtu.be/OHzfLyCB7qc?t=290

base link: https://www.youtube.com/watch?v=OHzfLyCB7qc (he enters the church at 4:50)