of mandatory detention to automatically hold asylum seekers and other immigrants on arrival in prison-like detention facilities , and reports of substandard conditions of detention in immigration facilities and use of solitary confinement , as well as sexual violence by staff and other detainees . (14) ICE has not adopted recommendations made by its Advisory Committee on Family Residential Centers, which suggested in a 2016 report that immigration enforcement practices should op­era­tion­a­lize the presumption that detention is generally neither appropriate nor necessary for families—and that detention or the separation of families for purposes of immigration enforcement or management are never in the best interest of children , further recommending that the general use of family detention be discontinued. (15) ICE’s actions to force State and local law enforcement to comply with immigration detainer requests to hold people in custody without a warrant violate the Fourth Amendment, and immigration enforcement actions at sensitive locations, including courthouses, hospitals, churches and schools have undermined public trust in the agency. (16) A troubling pattern of ICE pursuing immigrant rights advocates working within their First Amendment rights suggests the improper targeting of political opponents and threatens bedrock free speech and due process rights. (17) The Government Accountability Office (GAO) has found a number of inconsistencies and errors in ICE’s calculations for its congressional budget justifications … . While ICE officials stated their budget documents undergo multiple reviews to ensure accuracy, ICE was not able to provide documentation of such reviews. The GAO concluded, ICE is not positioned to ensure the credibility of its budget requests . (18) Any essential functions carried out by ICE that do not violate fundamental due process and human rights can be executed with greater transparency, public accountability, and adherence to domestic and international law by other Federal agencies. 3.