Federal Death Penalty Abolition Act of 2008- Repeals death penalty provisions for a wide range of homicide-related offenses under the Immigration and Nationality Act, the federal criminal code, the Controlled Substances Act, and other statutes relating to aircraft hijacking, espionage and treason, and offenses punished under the Uniform Code of Military Justice.
Prohibits the sentencing to death or execution of any person for any violation of federal law after the enactment of this Act. Commutes death penalties imposed prior to the enactment of this Act to life imprisonment without the possibility of parole.