They believe above all that the former army and the new, Tutsi-dominated army must be integrated.
A Hutu leading a weak coalition government, he had denounced his own Tutsi-dominated national army for killing dozens of civilians.
Another reason is that militant Hutu guerrillas are continuing to battle the Tutsi-dominated army in the west.
The coup, led by the Tutsi-dominated army, overthrew the Hutu President.
Ultimate authority still lies with the Tutsi-dominated army.
The report also implicated senior figures in Burundi's Tutsi-dominated army in the assassination.
He is also respected by junior officers in the Tutsi-dominated army, Mr. Rich said.
Tutsi-dominated armies hold power in both places.
Compounding the problem, he said, the Tutsi-dominated army started military exercises in the north without explanation.
The Tutsi-dominated army appointed him as President.