To free Gilad one fact must be stressed to Hamas. Every prisoner held by Israel that is on Hamas' wish list will suffer the same fate as him. And as such all contact between them and the outside world must be severed at once. If Gilad dies in captivity everyone on that list dies in captivity. If Gilas disappears without a trace, all those people will never be heard of again either. Do unto others as you want done to yourself is a language everyone speaks fluently.
Saudi king to meet with Obama on Friday amid Gulf concerns over Iran deal (Reuters)
from the article: Egypt pushing Hamas to soften stance on Shalit deal