The Jewish Religion brought to the world The Old Testament which is?

sometimes called the Books of Moses. One of the most important Edicts is contained in The Ten Commandments which states "Thou Shalt Not Kill." In 1962 Israel executed on the most despicable Nazis - Adolf Eichmann. Was Israel wrong to execute Eichmann? Why didn't they follow their own proscribed Laws which states "Thou Shalt Not Kill.?"