Bloody 'prisoners' without blood on their hands

Every time the Israeli government releases 'prisoners' as a 'goodwill gesture' or in a 'prisoner exchange,' the government goes to great lengths to assure the Israeli public that those being released 'do not have blood on their hands,' i.e. however heinous their crimes might have been, they did not kill any Israelis (although they may have tried to). Now, with Israel once again on the verge of