If Israel is to convince the world that it is innocent in this matter then it needs to say so. The ambiguity policy is not working. If someone else is trying to frame Israel then Israel,and Mossad in particular need to find some convincing evidence to prove it. This could very well go to the International Criminal Court or a UN Tribunal.
Five arrested in anti-terror raids in Sydney (DPA)
from the article: Germany, France also request Israeli answers on Dubai fake passports