It’s no secret that the United States has the most expansive prison system of any nation in the world. And the US carceral system overwhelmingly and unjustly impacts Black and Brown individuals and communities. With postwar efforts to dismantle Jim Crow policies, our era of mass incarceration reproduced the old logics of white supremacism that uphold racist capitalism in this new setting. These are the things we know. But in his book,Silent Cells: The Secret Drugging of Captive America(U Minnesota Press, 2019), Professor Anthony Hatch observes a feature of mass incarceration essential to its everyday function that many of us had never considered: the large-scale, persistent use of psychotropic drugs, including antipsychotics and antidepressants, not for medical care but rather to control the behavior of incarcerated people. Making a persuasive claim drawn from his training in STS and sociology, Hatch observes how the drugs are used at the level of individual brain chemistry to comm...