I kept getting drawn back into it. I decided I was meant to do this.

Then, these deep claw marks materialized on his head. It disappeared a few minutes later and didn't hurt the guy. We got the whole thing on tape. After that case, a lot of investigators said they won't do demonic cases any more.

There's a test where you run a tape recorder and ask questions. Then, you play back the tape and can hear a voice responding. We did this in the basement of the Old Botany Building and picked up a gravelly voice which sounded like someone who smoked a lot.