Congress has opened an investigation into the medical mistreatment of 17 detainees at nine different migrant detainment centers. They requested that all documents related to the reported incidents be submitted by January, following the leak of an internal federal whistleblower’s memo. The cases of medical mistreatment detailed in the leaked memo to BuzzFeed News occurred at U.S. Immigration and Customs Enforcement (ICE) detainment centers. Some of the most egregious cases of negligence reported in the…