A California man who noticed mysterious feces on the roof of his guest house ended up in a close encounter with the source -- a mountain lion.

Pasadena resident Bill Dabney says a mountain lion left poop on his guest house roof and then stared him down in a terrifying ...

A Pasadena man who noticed unusual droppings on the roof of his guesthouse later came face-to-face with what he believes was responsible -- a mountain lion standing just yards away in his yard.

A man in California investigated unusual droppings on his roof, only to come face-to-face with a mountain lion.