However, there are a few who are going to be released - mostly to be exiled - who fit the category of terrorists who should not be released, ever, because they can conceivably plan new attacks.
Here are some of them:
Walid Anajas, from Ramallah, a commander of Hamas' armed wing, the Qassam Brigades. He was given 36 life terms in 2002 for his involvement in a number of suicide bombings, including that of a Jerusalem cafe in 2002, in which 12 people lost their lives.
Nasser Yataima, who planned a suicide bombing which killed 30 people as they were about to celebrate the Passover festival at a hotel in March 2002, was sentenced to 29 life terms.
Khamis Zaki Aqel, a member of the Qassam Brigades, which carried out a string of suicide bombings and other attacks, was arrested in 1992 and sentenced to 21 life terms. It was not immediately clear for which crime he was sentenced.
Majdi Muhammed Amr, arrested in 1993, is serving 19 life sentences after being found guilty of coordinating the work of suicide bombers, including one who blew up a bus in the northern city of Haifa in March 2003, killing 17 people. [He also murdered David Cohen in a drive-by shooting in July 2001. - EoZ]
Maedh Abu Sharakh was also sentenced to 19 life terms for his role in planning the Haifa bus bombing.
Abdel Hadi Ghanim, of Nusseirat refugee camp in central Gaza Strip, was serving 16 life sentences after he hijacked an Israeli intercity bus in 1989 traveling from Tel Aviv to Jerusalem and drove it over a steep drop, killing 16 passengers.
Muhammed Daghales was sentenced in 2001 to 15 life terms for his role in planning the 2001 suicide bombing of a Jerusalem pizzeria, which killed 16 Israelis.
I would add Yehye al-Sinwar, sentenced to 4 life sentences, on the list as going home to Gaza. According to a Hamas website, he had poured scalding water on the face of a prison warden and had planned another Shalit-style soldier abduction from prison. Even if he did not have direct "blood on his hands" he is someone who is a clear danger and whose release will almost certainly jeopardize Israeli lives.
I confess I do not understand the logic of how Israeli negotiators considered some to be major terrorists and others not to be.