state witness meaning in French

témoin d'etat

Antonio Giuffrè has been a state witness in many important trials.
Antonio Giuffrè a été témoin dans de nombreux procès importants.
The final conference culminated in the Lagos Accord of August 21, 1979, which representatives of eleven Chadian factions signed and the foreign ministers of nine other African states witnessed.
Les accords de Lagos sont signés par les représentants de onze factions tchadiennes et de neuf pays africains.
Bontade visited Berlusconi's villa in Arcore on the outskirts of Milan, according to Antonino Giuffrè, a mafioso who was a key aide to Mafia kingpin Bernardo Provenzano but turned state witness after his arrest in April 2002.
Bontate a rendu visite à Berlusconi dans sa villa à Arcore dans les environs de Milan, selon Antonino Giuffrè, un mafioso qui était un assistant important du chef mafieux Bernardo Provenzano, devenu repenti en avril 2002.