Before my time, but they tell tales of the “Phantom Shitter”. Someone had… issues, physical and/or mental, and would leave streaks of waste both going to and from the bathroom. Very liquid waste. Sometimes stepped in. “Phantom” because initially no one knew who was doing it. They just found the results. Eventually he was found out, sent home for a bit, and then fired when it happened again after he came back.

Since I worked there: Guy came in for an interview. I don’t know if he was already having a bad day or what, but he got upset that his first interviewer wasn’t there to greet him at the front door. It escalated, rapidly, leading to threats of violence, an arrest, and a couple of cops searching his car.