Equatorial Guinea Obiang Mangue, and other close relatives with powerful positions in the security forces. The tension may be rooted in a power shift arising from the dramatic increase in oil production which has occurred since 1997. In 2004 a plane load of suspected mercenaries was intercepted in Zimbabwe while allegedly on the way to overthrow Obiang. A November 2004 report named Mark Thatcher as a financial backer of the 2004 Equatorial Guinea coup d'état attempt organized by Simon Mann. Various accounts also named the United Kingdom's MI6, the United States' CIA, and Spain as tacit supporters of the coup attempt. Nevertheless,
Corruption in Equatorial Guinea Amerada Hess paid government officials and their relatives nearly $1 million for building leases. Of 28 properties Hess leased in Equatorial Guinea, 18 were owned by Obiang family members and persons connected to the family. Representatives for both Hess and ExxonMobil told U.S. Senate investigators that they had purchased their security services in Equatorial Guinea, at non-negotiable prices, from Sociedad Nacional de Vigilancia (Sonavi), which is owned by Obiang's brother, Armengol Ondo Nguema, and which has a monopoly on security services in the country. As of 2009, according to the U.S. State Department, most ministers in Equatorial Guinea also operate