Ever since kidnap victim Jaycee Dugard was found alive this summer, outraged Californians have been asking could it have been possible for convicted rapist Phillip Garrido to hide her for 18 years in his suburban backyard, father two children with his victim - all while being closely monitored by parole agents. He even wore a GPS ankle bracelet.

In a scathing report released Wednesday state investigators outlined massive missteps and missed opportunities by the department of corrections that prolonged Jaycee's imprisonment: failure to adequately supervise Garrido, failure to talk to neighbors, and even failure to properly train his parole officers, reports CBS News correspondent Bill Whitaker .

"We determined that Garrido was only properly supervised 12 out of the 123 months it supervised him, a failure rate of 90 percent," said David Shaw, the California Inspector General.

Critics say the system for monitoring sex offenders is broken across the country. All 50 states have Web site sex offender lists for