the first amendment to the constitution protects citizens against cruel and unusual punishment
The Eighth Amendment (Amendment VIII) of the United States Constitution prohibits the federal government from imposing excessive bail, excessive fines, or cruel and unusual punishment. The U.S. Supreme Court has ruled that this amendment's Cruel and Unusual Punishment Clause also applies to the states. The phrases in this amendment originated in the English Bill of Rights of 1689. This amendment was adopted on December 15, 1791, along with the rest of the United States Bill of Rights.
Eighth Amendment to the United States Constitution