After more than two years in ICE custody, class member Richard Thompson is among those released.
ACLU says removal of substitute teacher violated First Amendment.
"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.