Comprehensive Counter-Terrorism Act of 1991

Comprehensive Counter-Terrorism Act of 1991 - Title I: Punishing Domestic and International Terrorist Acts - Subtitle A: Terrorist Death Penalty Act of 1991 - Terrorist Death Penalty Act of 1991 - Amends the Federal criminal code to: (1) make it a Federal offense, punishable by up to life imprisonment, to commit terrorist acts against U.S. nationals abroad; and (2) authorize the imposition of the death penalty where terrorist acts against U.S. nationals result in first degree murder.

Sets forth procedures for the imposition of the death penalty, including provisions with respect to notice by the Government that it intends to seek the death penalty if the defendant is convicted, the conduct of the sentencing hearing, a list of mitigating and aggravating factors to be considered, proof of such factors, the return of findings, and procedures for appeal and review of a sentence of death.

Prohibits sentencing to death individuals who were under age 18 at the time of the offense, or carrying out a death sentence upon: (1) a woman while she is pregnant; (2) a person who is mentally retarded; or (3) a person who, as a result of mental disability, cannot understand the nature of the pending proceedings, what such person was tried for, or the reason for or nature of the punishment or who lacks the capacity to recognize or understand facts which would make the punishment unjust or unlawful or the ability to convey such information to counsel or to the court.

Sets forth provisions: (1) authorizing a U.S. marshal charged with supervising the implementation of a death sentence to use appropriate State or local facilities and employees to carry out such sentence and to pay costs in an amount approved by the Attorney General; and (2) prohibiting requiring any employee of a State department of corrections or the Federal Bureau of Prisons, or an employee providing services to such department or bureau under contract, as a condition of such employment or contractual obligation, to be in attendance at, or to participate in, any execution carried out under this Act.

Subtitle B: Terrorist Acts Committed in the United States - Authorizes the imposition of the death penalty for domestic terrorist acts that involve an individual acting as an agent of a foreign power and that result in first degree murder, and up to life imprisonment for acts that result in death that does not constitute first degree murder.

Sets forth penalties for attempts or conspiracy to kill (up to life imprisonment) and for engaging in physical violence that results in serious bodily injury (up to ten years imprisonment, a fine, or both.)

Specifies that, for purposes of this Act, a person possesses an intent to commit a terrorist act if such person intends to: (1) intimidate or coerce a civilian population; (2) influence the policy of a government by intimidation or coercion; or (3) affect the conduct of a government by assassination, kidnapping, or other violent act.

Subtitle C: Increasing Penalties for International Terrorist Acts - Increases the penalties for terrorist acts committed against U.S. nationals abroad.

Title II: Authorizations to Expand Counter-Terrorist Operations - Authorizes appropriations for counter-terrorist operations and programs.