Lethal injection is injecting a person with poison, usually a fatal dose of drugs so that person will die. This is usually done as capital punishment. It is the main way to execute prisoners in the United States. The idea of lethal injection was first suggested in New York in 1888, but Oklahoma was the first place to make a law that said it could use it in 1977. Texas was the first state to actually use lethal injection for an execution. This first happened when Charlie Brooks was executed in 1982. Thirty-four US states now use it for capital punishment. Other countries to use it are China, Taiwan, and Guatemala.