AdvertisementMeant To Keep Youths Out Of Detention, Probation Often Leads Them TherePlay05:04Download AudioJuly 29, 2015Soraya ShockleyfacebookEmailBrian Hopson, assistant superintendent at Alameda County Juvenile Hall, stands in one of its many empty units. The 360-bed facility was full when it opened eight years ago, but is now at half capacity. (Youth Radio)