 Judge Schwebel also agreed with the Court that unannounced mining of Nicaragua's ports by the United States was a violation of customary international law.He noted that the unannounced mining had the potential to, and did, affect third party states.Judge Schwebel also found that the United States violated the law of war when the Central Intelligence Agency orchestrated the publication and distribution of a manual titled, "Operaciones Sicologicas en Guerra de Guerillas."