Jeffrey A. Butts (2008). Violent Crime in 100 U.S. Cities. Chicago, IL: Chapin Hall at the University of Chicago.

Recent increases in violent crime are small compared with the scale of violence seen in recent decades. America’s long period of falling crime may have ended, but it is not accurate to characterize recent trends as a new wave of widespread violence or as the beginning of an irreversible trend. Most urban Americans still appear to be enjoying the benefits of the violent crime decline that occurred in the late 1990s and early 2000s.