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Many of them are then held at the medium-security West County Detention Facility in Richmond. Reporter Mary Rees has more.
{audio}http://cpa.ds.npr.org/krcb/audio/2015/03/WEB.WestCountyDetention_(2).mp3{/audio}
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This story was first reported and broadcast on KALW in San Francisco, and is used here with their permission.
