Lockup: San Quentin: Extended StayInside San Quentin, gangs, drugs and sheer boredom make up a violent mix; Scanvinski Hymes has been in prison since he was 18 years old; almost 20 years later, he's racked up the highest number of violent offenses in California prison history.
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Now PlayingLockup: San Quentin: Extended StayInside San Quentin, gangs, drugs and sheer boredom make up a violent mix; Scanvinski Hymes has been in prison since he was 18 years old; almost 20 years later, he's racked up the highest number of violent offenses in California prison history.0Lockup: San Quentin: Extended StaySan Quentin has one of the longest histories of violence; whether it's an inmate fresh off the street, a gang dropout in protective custody, or an officer trying to maintain order, they've all fallen victim to violent attacks.