investigator on the roof of a house. neighbors tell ktvu the home is been targeted before and the resident owned the gun. we are going to be looking to determine what the story is behind that. reporter: i found it on the fortified door. a short while later, a man inside opened the garage door, his ferrari still parked inside. i can t. reporter: you can t talk about what happened? i can t, sorry. reporter: are you okay, are you hurt? i can t talk to you. reporter: rich louise used to play in the house when his friend lived there. is not the norm around here. nothing is typically fortified. it s odd. reporter: the incident had some similarities to the home invasion in san francisco where the resident had a ferrari spider in the garage and was robbed of a sizable amount of cash. home invasions are regional problems, san mateo police will be comparing notes with other jurisdictions to see if this case is related to any others. and foster city employees shot an