No access to case files for migrants or their lawyers, foreign children being placed in guarded centers and sending Syrians back to Greece are the key problems of Poland's migrant return procedure. A big obstacle for lawyers is the lack of access to files for cases involving an obligation to return. Under applicable laws, a foreigner who is considered a threat to state security may be denied access to important parts of his case files. "In our opinion, such regulations do not meet the standards of fair proceedings," explains Jacek Białas, a lawyer for the Helsinki Foundation for Human Rights.