 On 11 June 1975 several military officers were arrested in what became known as the coup <unk> et <unk> . Amongst those arrested were <unk> Daniel <unk> wa <unk> , Land Forces Chief of Staff , <unk> <unk> , Commandant of the 2nd Military Region at Kalemie ; <unk> <unk> , Military Attaché of Zaïre in Washington , Colonel <unk> wa <unk> , the military attaché of Zaïre in Paris , the military attache in Brussels , a <unk> battalion commander , and several others . The regime alleged these officers and others ( including Mobutu 's civil <unk> particulier ) had plotted the assassination of Mobutu , high treason , and disclosure of military secrets , among other offences . The alleged coup was investigated by a revolutionary commission headed by <unk> <unk> Singa , at that time head of the Gendarmerie . Writing in 1988 , Michael Schatzberg said the full details of the coup had yet to emerge . 
