Mass incarceration remains the hallmark of the US justice system, as it has been for decades. In the last ten years, in some states, we see less jail in low-level cases and more electronic monitoring. But does this just trade one form of custody for another?

Our guest, law professor Chaz Arnett, reveals the new world of e-carceration. He’s the author of “Virtual Shackles: Electronic Surveillance and the Adultification of Juvenile Courts” and "From Decarceration to E-carceration."