While a prisoner of Israel in 1996, Mosab Hassan Yousef — the son of Sheik Hassan Yousef, a founding member of Hamas — was approached by Shin Bet agents who looked to recruit him to spy within Hamas. He agreed. Mosab’s information soon had Shin Bet calling him “the most reliable source in the Hamas leadership,” and Israeli lives were undoubtedly saved as a result of Mosab’s collaboration. for more click here