"It was to be a simple mission. Nothing more than assessing whether a merchant in the fabled Israeli Diamond Exchange was involved in a scheme that could potentially embarrass the state of Israel. But nothing is ever simple in the world of intelligence, as Aaron Bergman--a former leader of an elite direct action team under the Mossad--should have known. Executing the operation as a contractor, a cutout that gave the State of Israel plausible deniability,...