So they ARE POW?? The Geneva Conventions know POW (III) or civilians (IV). There´s no illegal combatant. Either you are a POW or you are not. In the latter case, you enjoy the rights provided by the GC IV.
Still looking for a loophole.
Pertains to a specific COUNTRY and not to individual idealogues. Terrorists have no country.
NO country, not even yours releases an enemy before the war is over. These people serve NO country. ONLY an ideology. Your attitude is what gets innocent people killed.