Mark Olshaker

Mark Olshaker is an American author and filmmaker known for his work in true crime, criminal psychology, and crime investigation. He often collaborates with FBI profiler John E. Douglas, helping to translate complex criminal behavior into accessible narratives. Olshaker’s writing and documentaries explore the minds of serial killers and the methods used to catch them, providing insights into criminal psychology and law enforcement techniques. His work aims to increase understanding of complex criminal cases while making these topics engaging and informative for a broad audience.