Think Progress reports the release of yet another study exposing the government’s negligently supervised immigrant detention program. “Migrant Mistreatment While in U.S. Custody” a joint investigative study by Immigration Policy Center, the University of Arizona, and George Washington University, determined that unsupervised border patrol agents consistently mistreated and even abused immigrants at detention centers. For years the ACLU has advocated that the immigrant lock-up system was not only a waste of tax payers’ money but fostered inhumane treatment of inmates; that pressure, as the article notes, has led to some minor improvements: