Some UV is blocked by glass. Either UVA or UVB. It doesn’t block both.
It is visible to security cameras
Make it a UV laser and it would be invisible.
With the right chemicals you can burn off your fingerprints
The idea of replaying recent gameplay to see what happened is great.
Seems like people making people mistakes. Not anything horrific.
Some UV is blocked by glass. Either UVA or UVB. It doesn’t block both.