Federal Death Penalty Abolition Act of 2003 - Repeals death penalty provisions for a wide range of specified offenses under the Immigration and Nationality Act, the Federal criminal code (the code), the Controlled Substances Act, and other statutes, including for murder relating to the smuggling of aliens, murder during a hostage-taking, and certain non-homicide-related offenses (espionage and treason). Repeals code procedures relating to imposition of the death sentence.
Prohibits sentencing to death or putting to death any person for any violation of Federal law. Directs that any person sentenced to death before the date of this Act's enactment for any such violation serve a sentence of life imprisonment without the possibility of parole.