alexander smalltrop is 50 years of age but his family says he has the mental capacity of a child. and they're upset that he was let out of jail at 3:30 friday morning, all by himself, and he has not been seen since. >> he is can do things for his own and make decisions on his own. >> unless they're able to exercise due care for themselves, greatly disabled, at the time of release, they're sent out and processed out just like everybody else. >> smalltrop was arrested after shoppers at a costco store complained he rubbed his chest up against them. and his family says he doesn't know any better. >>> pg&e was warned months before that san bruno explosion about the risk of disaster. documents filed with state regulators show the utilities risk management group all but predicted an incident. and it warned that gas in the company's management created a quote unacceptable risk of disaster. and raises questions about what top executives said, quote, had known or shouldn't have known. >>> in solano county, firefighters are trying to determine what sparked a brush fire that threatened severa