Article 193. § 1. If the determination of material facts having an essential bearing upon the resolution of the case requires some special knowledge, the court shall consult an expert or experts.
§ 2. A scientific or a specialised institution may also be called to give their opinion.
Article 237. § 1. After the proceedings have started, the court, upon a motion from the state prosecutor may order surveillance and recording of the content of telephone conversations, in order to detect and obtain evidence for the pending proceedings or to prevent a new offence from being committed.
§ 2. In cases not amenable to delay, the surveillance and recording of conversations may be ordered by the state prosecutor who is, however, obligated to obtain an approval for the order from the court within 5 days.
§ 3. The surveillance and recording of the content of telephone conversations is allowed only when proceedings are pending or a justified concern exists, about the possibility of a new offence being committed regarding:
1. Los Estados Partes, de conformidad con lo dispuesto en la presente Parte y con los procedimientos de su derecho interno, deberán cumplir las solicitudes de asistencia formuladas por la Corte en relación con investigaciones o enjuiciamientos penales a fin de:
(b) Practicar pruebas, incluidos los testimonios bajo juramento, y producir pruebas, incluidos los dictámenes e informes periciales que requiera la Corte;