He has been cited in recent years during French criminal inquiries into hundreds of millions of euros of illicit payments by Elf Aquitaine, the former French state-owned oil group.
Saint-Denis | Denis Diderot | Saint-Ouen, Seine-Saint-Denis | Denis Leary | Denis | Seine-Saint-Denis | Claire Denis | Montreuil, Seine-Saint-Denis | Denis Halliday | Denis Healey | Charles Denis Bourbaki | Ruth St. Denis | Maurice Denis | Denis Thatcher | Denis Sassou Nguesso | Denis McLoughlin | Siméon Denis Poisson | Saint-Denis, Réunion | Gare d'Estrées-Saint-Denis | Denis Smith | Denis Piel | Denis Lawson | Denis Johnson | Denis Boyles | Basilica of St Denis | Villepinte, Seine-Saint-Denis | Saint Denis Street | Saint-Denis, Quebec | Saint-Denis-lès-Martel | Neil Denis |
An emissary of President Denis Sassou Nguesso offered to pay for Kololo to be evacuated to Europe for urgent medical treatment, but the Belgian airline Sabena refused to accept him as a passenger on 27 April 1999 out of concern that he would die during the flight.
Jean-Pierre Thystere Tchicaya, the President of the National Assembly, and Justin Lekoundzou, the President of the Parliamentary Group of the Presidential Majority, sent a letter to President Denis Sassou Nguesso on 24 March 2007 that called for the creation of an independent national electoral commission.
During the June–October 1997 civil war, Poto-Poto was thoroughly looted by "Cobra" militiamen loyal to opposition leader Denis Sassou Nguesso and was shelled by forces loyal to President Pascal Lissouba.
In the late 1980s he allied with opposition leader Bernard Kolélas to found the Congolese Movement for Democracy and Integral Development (MCDDI), a political party acting against the communist regime of President Denis Sassou Nguesso and his Congolese Labour Party.
The RDR was part of the United Democratic Forces (FDU), a grouping of parties supporting President Denis Sassou Nguesso.