perverting the course of justice(Canadian, English, Hong Kong, and Irish law; Perverting the course of justice can be any of three acts: Fabricating or disposing of evidence; Intimidating or threatening a witness or juror; Intimidating or threatening a judge; тж. см. witness tampering wikipedia.orgTaras)
administration of justice(max hits. "The administration of justice would be an empty form, an idle ceremony." Select Speeches of Daniel Webster "The Advocates, however, refusing to attend them, a suspension in the administration of justice took place." Memoir Correspondence And Miscellanies. Wordnik – АД Denis Lebedev)
