Thirty years ago, Corrections Corporation of America opened its first private prison. As demand for border patrol increased over the decades, so has its earnings. Last year, CCA brought in $1.7 billion dollars in revenue – a quarter of which came from government agencies enforcing immigration policy and incarcerating non-citizens in the US. Lee fang is Reporting Fellow with the Investigative Fund at The Nation Institute. He probed the connection between prison profits and stiffer immigration policies and came up with some unsettling answers.