From Longman Dictionary of Contemporary Englishsworn statement/evidence/testimony etcsworn statement/evidence/testimony etcENEMYa statement etc that someone makes after officially promising to tell the truth → sworn
Examples from the Corpus
sworn statement/evidence/testimony etc• This meant that sworn statements by Mitchell, Stans and others would not be made public before the election.• The application was based on a sworn statement from a lay midwife who said she attended his birth in La Paloma.• The reports were based on sworn statements of graduates of the camp, whose seven-month training including the use of explosives.• Years later her parents made a sworn statement testifying that the couple had met in July 1917.• This is confirmed by her not going against her sworn statement, unlawfully though it had been extracted from her. 