The most recent data from the U.S Ministry of Justice shows more than 11 thousand people died in local jails in the decade to 2011.
As RT's Ameera David reports, some of those hadn't even been charged.
RT LIVE rt.com/on-air
Subscribe to RT! www.youtube.com/subscription_center?add_user=RussiaToday
Like us on Facebook www.facebook.com/RTnews
Follow us on Twitter twitter.com/RT_com
Follow us on Instagram instagram.com/rt
Follow us on Google plus.google.com/ RT
RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios.
RT is the first news channel to break the 1 billion YouTube views benchmark.