How do you explain being the only survivor to a demon attack to the police?

That kind of thing happens all the time in the movies but they never show the aftermath. They never show having to explain to a cop.

“Officer…crazy thing. So my friends and I were playing with this ouija board and we accidently opened a door to hell. Don’t worry! It’s closed now but the odd thing is that I only managed to close it after the demon we unleased slaughtered all my really hot girlfriends who just happened to be wearing bikinis since we were in the hot tub playing with the board…”