Heads up, men. Potty blogger was just in fourth floor men's room and it appears that a crime was recently committed in the penthouse stall. The splatter pattern suggests that the victim struggled.
If you are the perpetrator of this crime, you need to get yourself checked. Today. Call the doctor's office right now. Tell them it's an emergency.
Here's a clue: If you flush and the bowl still looks like a connect-the-dots puzzle, you are not OK.