Luis Monge is executed in Colorado's gas chamber, in the last pre-Furman execution in the United States.

Luis Monge (mass murderer)

Puerto Rican murderer who received the death penalty in the U.S.

Luis José Monge was a convicted mass murderer who was executed in the gas chamber at Colorado State Penitentiary in 1967. Monge was the last inmate to be executed before an unofficial moratorium on executions that lasted for more than four years while most death penalty cases…

Capital punishment in Colorado

Capital punishment was abolished in Colorado in 2020. It was legal from 1974 until 2020 prior to it being abolished in all future cases.

Gas chamber

Sealed room into which gas is pumped in, causing death by poisoning or asphyxiation

A gas chamber is an apparatus for killing humans or animals with gas, consisting of a sealed chamber into which a poisonous or asphyxiant gas is introduced. Poisonous agents used include hydrogen cyanide and carbon monoxide.

Furman v. Georgia

1972 U.S. Supreme Court case declaring arbitrary use of the death penalty unconstitutional

Furman v. Georgia, 408 U.S. 238 (1972), was a landmark criminal case in which the United States Supreme Court decided that arbitrary and inconsistent imposition of the death penalty violates the Eighth and Fourteenth Amendments, and constitutes cruel and unusual punishment. It…