Presents federal criminal case statistics on suspects and defendants processed in the federal criminal justice system. The report provides data on the number of persons arrested, investigated, convicted, and sentenced for a violation of federal law. It includes the number of offenders under federal correctional supervision at the pre-trial and post-conviction stages. It also describes case outcomes, including percent prosecuted, convicted, and sentenced by type of sanction. Data were collected from federal law enforcement, courts, and corrections agencies as a part of the Bureau of Justice Statistics Federal Justice Statistics Program. Additional data are available in the web component Federal Justice Statistics, 2005 - Statistical Tables.

• Material witness, immigration, and weapons were the fastest growing arrest offenses during the period between 1995 and 2005.
• In 2005, immigration (27%) was the most prevalent arrest offense followed by drug (24%) and supervision violations (17%).
• Five federal judicial districts along the U.S.-Mexico border accounted for 40% of all suspects arrested and booked by the U.S. Marshals Service in 2005.