Glitch Inside Sisika Penitentiary in RDR2

Glitch Inside Sisika Penitentiary in RDR2
There is a prison located on an island in Red Dead Redemption 2. You cannot normally go inside this prison, but by using a wagon and dynamite trick to glitch inside.

Note that in later versions of Red Dead Redemption 2, a lot of glitches were patches through game updates. In order to do these glitches, you need to remove the updates and patches and turn off wifi so your game doesn't update. Method to restore all glitches are shown in this video: