ACLU class action lawsuit argued federal government wrongly incarcerated more than 100 people a year in Massachusetts jails under "mandatory detention" provision.
ACLU: Policy denied equal access to education.
En español: El Consejo Municipal de Boston pasa unánimemente el Acta de Confianza dándole fin a los 'ICE holds' en la ciudad
Mayor has promised to sign ordinance
Communities call for end to unconstitutional and harmful "ICE holds."
After more than two years in ICE custody, class member Richard Thompson is among those released.