[livius drusus]

Update.

Gilon is also identified as a specialist on Iran's nuclear program. Iran's recent announcement it was resuming enrichment of uranium, and its potential to produce nuclear weapons is of grave concern to both Israel and the U.S.

But experts say Israel fears that, ultimately, the U.S. won't be tough enough in attempting to halt any possible weapons production.

"Or they won't know exactly what the U.S. government is deciding to do, and so it may want to conduct espionage just to hedge its bets," says former U.N. weapons inspector David Albright.