Robert K. Ressler (1937-2013) was an expert in the area of violent criminal offenders and a twenty-year veteran of the Federal Bureau of Investigation. He innovated many of the programs which led to the formulation of the FBI's National Center for the Analysis of Violent Crime.
Face-to-face with some of America's most terrifying killers, FBI veteran and ex-Army CID colonel Robert Ressler learned from them how to identify the unknown monsters who walk among us-and put them behind bars. Now the man who coined the phrase 'serial ki...[SEE MORE]