 The IDF also claims that this practice is only used when there is absolutely no practical way of foiling the future acts by other means (e.g., arrest) with minimal risk to its soldiers or civilians.The IDF also claims that the practice is only used when there is a certainty in the identification of the target, in order to minimize harm to innocent bystanders.They argue that because many of the Palestinians who have targeted Israel over the years have enjoyed the protection of Arab governments, extraditing them for trial in Israel has often proved impossible.