The Anatomy of a Serial Killer: Psychology, Profiling, Prevention
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Lessons in justice can often emerge from the most surprising sources.

In a captivating episode of Zone 7, Sheryl McCollum teams up with retired FBI agent Scott Duffey and former NYPD Sergeant Joseph Giacalone at the inaugural Wildlife CSI Academy, held at Lake Tobias Wildlife Park in Pennsylvania.

Amidst the presence of giraffes, kangaroos, and a sloth named Chewy, the trio reflects on how their interactions with endangered animals have profoundly transformed their perspectives on empathy, preparation, and collaborative effort. This engaging dialogue serves as a poignant reminder that some of the most insightful teachings on justice can be drawn from the natural world.

About the Guests:

Joseph Giacalone is a retired NYPD Sergeant (SDS) and former Commanding Officer of the Bronx Cold Case Squad. He serves as an adjunct professor at John Jay College of Criminal Justice and is the author of The Criminal Investigative Function: A Guide for New Investigators and The Cold Case Handbook. Giacalone also hosts True Crime with the Sarge and is a frequent media commentator on criminal investigations.

Scott Duffey, a retired FBI Supervisory Special Agent, dedicated over 20 years to the FBI’s Baltimore Division, including his work with the Wilmington Resident Agency and the Delaware Violent Crimes Task Force. Currently, he leads the Criminal Justice Institute at Wilmington University, where he imparts knowledge on interview and interrogation techniques to law enforcement professionals. Duffey also contributes as a crime analyst on networks such as FOX, CNN, and NewsNation.

About the Host

Sheryl “Mac” McCollum is an Emmy Award-winning CSI, a writer for CrimeOnline, forensic and crime scene expert for Crime Stories with Nancy Grace, and co-author of the textbook Cold Case: Pathways to Justice. She is the founder and director of the Cold Case Investigative Research Institute, a national collaboration that advances techniques for solving cold cases and assists families and law enforcement with unsolved homicides, missing persons, and kidnappings.

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