After more than two years in ICE custody, class member Richard Thompson is among those released.
Class action lawsuit argued federal government wrongly incarcerated dozens in Massachusetts jails under "mandatory detention" provision.
Massachusetts bill seeks to limit impact of controversial "Secure Communities" deportation program.
En español: Audiencia para el Acta de Confianza en la Cámara Estatal de Massachusetts
Campaign aims to protect immigrant families from mass deportation and move immigration debate forward.