True Crime With The Sarge: The Audio Files
Join Joseph Giacalone, retired NYPD Sergeant SDS, author, and professor, as he takes listeners behind the badge for a real-world look at true crime and criminal investigations. In this audio extension of his popular YouTube channel, the Sarge breaks down cold cases, missing persons, forensic evidence, and investigative strategy with unmatched experience and credibility.
Each episode dives into the truth behind some of the most haunting unsolved cases—bringing facts, not speculation. If you’re passionate about justice, forensics, and the pursuit of truth, this podcast belongs in your library.
Listen, learn, and uncover what really happens when detectives chase the evidence
True Crime With The Sarge: The Audio Files
What is Geographic Profiling? Doug MacGregor Joins True Crime with the Sarge to Explain
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Geographic profiling is one of the most powerful investigative tools in modern criminal analysis and in this episode of True Crime with the Sarge – The Audio Files, we go deep into the science behind it.
Retired NYPD Sergeant and host Joseph Giacalone sits down with geographic profiling expert Doug MacGregor to break down how offender location patterns, crime scene clustering, journey-to-crime behavior, and spatial analysis help investigators narrow suspect pools and prioritize leads. From serial offenders to cold cases, geographic profiling blends criminology, behavioral science, mapping technology, and investigative strategy to reveal what random crime scenes often conceal.
Doug explains how geographic profiling algorithms work, how law enforcement agencies apply crime mapping and predictive analytics, and how this methodology has supported major investigations. We also discuss the psychology behind offender comfort zones, buffer zones, anchor points, and how small geographic details can shift the trajectory of a case.
If you are in law enforcement, part of the true crime community, a journalist covering crime, or a family member seeking answers in an unsolved case, this episode offers critical insight into how modern investigative tools can bring structure to chaos.
This is a must-listen deep dive into spatial forensics, criminal behavior analysis, cold case strategy, and the evolving role of AI in geographic profiling.
🎧 Listen now and discover how location can expose what motive alone cannot.