coulrophobia /kälrəˈfōbēə,ˌkōlrəˈfōbēə/ The extreme or irrational fear of clowns. That’s a pretty common fear. But killer clowns are something we see in the movies, right? Well in 1990, it became a deadly reality for Marlene Warren. For years, investigators had their main suspect but never enough solid evidence. That was, until DNA gave them what they needed and they were finally able to bring The Killer Clown to justice. Sources: