But national one-year averages mask better progress in big cities and a crime rise in the South.
A Justice Department audit concludes that overall, the FBI didn't engage in harsh treatment.
Murat Kurnaz, who testified in a landmark hearing Tuesday, says he spent days chained to the ceiling of an airplane hanger. He was determined innocent in 2002, but held until 2006.
This week's massive bust at San Diego State highlights the rise in university cooperation with law enforcement.