"Civilly" committed women are imprisoned, stigmatized and denied treatment.
Regional police group denies access to public records, claiming to be a private entity.
ACLU details injustice and suffering, particularly for people of color, caused by military approach to low-level police work, with little public input or oversight.
ACLU of Massachusetts criticizes blow against openness.
Unanimous vote follows Somerville's ending of the practice through executive order.