It seems like Gilad is dead and there is no proof otherwise. Even if alive the terrorist hostage takers will kill him right before he is released as Israel trades murderers for alive or dead soldiers. Zvi and those like him endanger Israel and our soldiers by taking the side of Hamas.
Israeli troops shoot, injure Palestinian crossing Gaza border fence (Haaretz)
from the article: Zvi Bar'el / Barak acting as if Shalit just an embarrassment