From award-winning criminologist and bestselling author R. Barri Flowers, and H. Loraine Flowers, comes the newly updated compelling narrative nonfiction and historical true crime book, Murders in the United States: Crimes, Killers, and Victims of the Twentieth Century.From the assassination of President William McKinley on September 6, 1901, to the mass killing at Columbine High School on April 20, 1999, the 20th century saw many notable, less known,...