American execution: A brief history of the death penalty in the U.S. — mashable.com

The death penalty in the United States began its life as an import. Brought over from the United Kingdom, it evolved into different versions that depended largely on each state that adopted it. Now the governor of Utah must decide whether to sign a bill that would reinstate execution by firing squad. This comes amid a shortage of drugs for lethal injection, a practice currently banned in all 50 states.

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