Robert Ressler

Robert Ressler was an American FBI agent known for pioneering criminal profiling and investigative techniques used to understand and catch serial killers. In the 1970s, he developed methods to analyze offenders' behaviors and motives, which improved law enforcement's ability to identify patterns and predict future crimes. Ressler's work helped establish the field of criminal profiling, and he contributed to notable investigations of notorious criminals. His insights continue to influence criminal investigation methods today, making him a significant figure in the development of modern forensic science and criminal psychology.