For the last year or so, the issue of whether or not cops have been too eager to punish — and even kill — African Americans has dominated the news. Yet, one very big story relating to cops and racial tension has been completely swept under the rug. Guardian reporter Spencer Ackerman has been reporting on a secret warehouse in Chicago where cops have allegedly detained thousand of suspects for interrogation — sometimes for days — without access to counsel or otherwise allowed to exercise their rights. Some have even called it a “domestic black site.” The city of Chicago insists what they’re doing is legal, however, they’ve been trying keep things under wraps. “After months of disputing the Guardian’s reporting, the Chicago police only made detailed information available after the Guardian sued them for it,” reports Ackerman. “Vast amounts of data documenting the full scope of detentions and interrogations at Homan Square remain undisclosed.”

But in his latest report, Ackerman has been able to unearth some revealing data: