In the [[common law]] of [[England]] before the [[American Revolution]], bills of attainder condemned specific persons to death. The [[Framers]] of the [[Constitution]] wanted to end that, and prohibited both the federal government ([[Full Text of the United States Constitution#Section. 9.|Article I, Section 9, Clause 3]]) and the states ([[Full Text of the United States Constitution#Section. 10.|Article I, Section 10, Clause 1]]) from passing bills of attainder under the doctrine of [[separation of powers]].<ref name="thefreedictionary.com"/> The Founders felt so strongly about this that bills of attainder and [[ex post facto]] laws are the only laws that the original [[Constitution]] prohibits both the federal government and states from ever passing. | In the [[common law]] of [[England]] before the [[American Revolution]], bills of attainder condemned specific persons to death. The [[Framers]] of the [[Constitution]] wanted to end that, and prohibited both the federal government ([[Full Text of the United States Constitution#Section. 9.|Article I, Section 9, Clause 3]]) and the states ([[Full Text of the United States Constitution#Section. 10.|Article I, Section 10, Clause 1]]) from passing bills of attainder under the doctrine of [[separation of powers]].<ref name="thefreedictionary.com"/> The Founders felt so strongly about this that bills of attainder and [[ex post facto]] laws are the only laws that the original [[Constitution]] prohibits both the federal government and states from ever passing. |