There might be something to this ghost hunting biz

http://indy100.independent.co.uk/article/ghosthunters-hears-groans-in-a-graveyard-are-absolutely-shocked-when-it-turns-out-to-be-a-porn-shoot--b1gob0OPKQb

Ghost-hunters hears groans in a graveyard, are absolutely shocked when it turns out to be a porn shoot