Describes the annual activity, workloads, and outcomes associated with the federal criminal justice system from arrest to imprisonment, using data from the U.S. Marshals Service (USMS), Drug Enforcement Administration (DEA), Executive Office for U.S. Attorneys (EOUSA), Administrative Office of the U.S. Courts (AOUSC), and Federal Bureau of Prisons (BOP). The report presents annual counts of and trends in arrests by law enforcement agency, offense, and federal judicial district. It also includes data on sentences imposed, sentence length by type of offense, and the proportion of offenders returning to federal prison within 3 years of release. See also Federal Justice Statistics, 2014 - Statistical Tables and Federal Justice Statistics, 2013-2014.