Prison reform, the protection of civil liberties and the fight against fraud are among the top management challenges that face the U.S. Department of Justice in the new year, according to the department’s inspector general.

The report, the equivalent of the State of the Union address from the agency’s internal watchdog, paints mostly in broad strokes across the Justice Department. Inspector General Michael Horowitz identified as the most pressing challenge the overcrowding of the federal prison system, which he called “an increasingly critical threat.”