In general, three reasons are given as to why Israeli authorities insist on not handing over the remains. Bodies are either withheld as punishment, an attempt at deterring future attacks, or as leverage in negotiations and potential prisoners exchanges — particularly with the Hamas movement in Gaza, where at least two Israeli civilians are being held.“
They’ve been holding bodies for so long, most of them are from the beginning of the First Intifada, a lot of bodies are being withheld from that period, and what has it done? What has happened?” [the mother of a son whose body is being held hostage] asked. “If someone wants to go to die, if they have something in their mind that is pushing them to make some sort of attack, do you really think that person is at all worried about their body?”