Should justice be calibrated by principles of retribution, deterrence, social protection, correction, or rehabilitation? Every society establishes methods for dealing with citizens who murder innocent people or commit other heinous deeds, but many areas-such as the European Union-have abolished the death penalty. Shall the United States and other nations who still carry out capital punishment join them and end the practice of killing its killers? This week Dr. Thomas Shepherd's panel of guests will discuss the ethical and theological implications of the ways in which societies respond to serious crime.