French judges have dropped their long-running investigation into the deadly 1994 attack The probe has been a major source of tension between the two countries PARIS: French judges have dropped their long-running investigation into the deadly 1994 attack on former Rwandan president Juvenal Habyarimana, which sparked the country"s genocide, a legal source told AFP on Wednesday. The probe has been a major source of tension between the two countries after seven people close to current Rwandan President Paul Kagame were charged in the French probe.