He confessed to 13 murders, but here is where it gets wolfish. He said he had been cursed with lycanthropy.

he and other werewolves would change into wolves on St Lucia's Day, Pentecost and Midsummer Night by donning magical wolf pelts

My brother says that it had a foul odor, and the very site of it made his hair stand on end.

He raised his eyes and saw a huge, hairy creature, 6-8 feet tall, hunched over slightly and wielding a large wooden board.

I have pieced together the following rite from many different manuscripts and old books.

He who tastes of the one bit of human entrails minced up with those of other victims is inevitably transformed into a wolf.”