Invoking the Boston Marathon bombings, a national group has filed a lawsuit aimed at an ordinance that requires jail personnel to disregard federal immigration detainers.
Lawmakers in other parts of the country, most recently the District of Columbia, have approved bills modeled after the policy. Some Republicans want the trend stopped.
Many officials say so, but a WBEZ investigation finds no evidence that inmates freed from jail against the wishes of immigration authorities reoffend or jump bail more than other former inmates do.