How to Convince Someone Who's Skeptical About Demon Possession

The church has consistently taught that evil is something personified in what we call the devil and these other fallen angels. If there is such a thing as demon possession, it's the demons that are doing these sort of supernatural things. I personally witnessed someone levitate. People have shared stories about once the demon manifest. It crawls up the wall like a spider. So again, these things are all meant to instill fear.