Yes, and no.
He directed the chain of events towards near genocide. However he did not personally murder anyone. The deaths of each individual lies at the feet of the person who personally murdered them, the Soldiers themselves.
Before the beginning of WW2 an SS Soldier was ordered to execute a man, he said he couldn't and was transferred out of the SS ranks. I used to attend a men's group in Gladstone where there were a number of Christian ex-soldiers who served in Rwanda. I used to espouse the idea that a man who obeys orders cannot be said to have murdered anyone, but one of the guys replied that they were individuals with freedom of thought, and not drones, that each person has to make the personal choice to pull that trigger and end a life for themselves.
In the end, the crimes should be laid at the feet of the people who individually committed them. The people who ordered them to commit them should be thrown out of office for the order.