Undated photo taken in Kigale, Rwanda, of Patrick Karegeya,  Rwanda's former spy chief who was found dead, possibly strangled, in a hotel in South Africa, police said Thursday Jan 2 2014. Rwandan dissidents accused President Paul Kagame of ordering the death of Karegeya, a former Kagame ally who turned against him. Kagame's government vehemently denies it has targeted dissidents. (AP Photo)

Undated photo taken in Kigale, Rwanda, of Patrick Karegeya, Rwanda's former spy chief who was found dead, possibly strangled, in a hotel in South Africa, police said Thursday Jan 2 2014. Rwandan dissidents accused President Paul Kagame of ordering the death of Karegeya, a former Kagame ally who turned against him. Kagame's government vehemently denies it has targeted dissidents. (AP Photo)