The closures and checkpoints are instituted by the Israeli government to protect its citizens. Border closures and checkpoints have been among the only mechanisms at Israel’s disposal to prevent would-be suicide bombers from entering Israeli cities. Indeed, checkpoints have allowed Israel to thwart numerous terrorists attempting to enter Israeli population centers in this manner. Israel understands the economic hardship the closures impose upon Palestinian civilians who cannot go to their jobs in Israel or receive and send shipments. Israel eases the closures and passage through checkpoints when the threat of terrorism is reduced. However, the checkpoints themselves have been terrorist targets. For example, in January 2004, a 22-year-old mother of two detonated a bomb strapped to her body at the Erez checkpoint in Gaza, killing four soldiers.
Because of the checkpoint system, would-be terrorists have attempted to enter Israel through uninhabited and unmanned areas. The building of Israel’s security fence also aims to prevent such infiltrations.