tavis please welcome thomas gibson to this problem. the former "dharma & greg "far and away -- the and "dharma & greg -- the former "dharma & greg" star. now, a scene from "criminal minds." >> they broke in it through a back window. >> in each case, the family member was shot and killed? >> yes. >> their alarm systems would not more, and the cannot call for help. >> a backup generator and a cell phone connection. >> they were behind on their account, so it was inactive. >> so both families were armed and fought back and shot one of their attackers? >> the frequency of the kills. it is a long flight. we had better get going. tavis: this stuff would really freaks you out if you are not well adjusted. >> it is true. someone i was talking to the other day said, "i am a single person at home. i cannot watch it if i do not have somebody there or i am not at somebody else's house." one of the things that i think it's helpful about that you do not think about is that it does raise awareness. there is an fbi profiler named jim clementi. he has

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