I think this is probably true. The first suspicion always has to fall on the person who is most likely to benefit. In this case, the person most likely to benefit from bin Laden’s removal is Ayman al Zawahiri. He has to be very tired of waiting and his life is waning; time to make a change! Time to put Ayman al Zawahiri in the throne!
Ayman al Zawahiri was likely very tired of waiting