San Bruno couple says mountain lion broke into home - a cat burglar ‘Glass was just everywhere’: Homeowners describe mountain lion that crashed into their San Bruno home San Bruno homeowners describe what it was like encountering a mountain lion that crashed into their home through a window. Officials say it was likely attracted to taxidermy animals mounted on the home's interior walls. SAN BRUNO, Calif. - There was a cat burglar — quite literally — in San Bruno, less than a week after another big cat sighting in San Francisco. "My eyes locked on this huge animal and I went, 'What the hell is that?' " said a woman identifying herself as Rose.