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Forensicscience Podcasts

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Pushing Up Lilies

Julie Mattson

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Dissect the science behind some of the most spine-tingling, unusual and terrifyingly true crime stories with Julie Mattson, a seasoned Forensic Nurse Death Investigator in this gripping weekly podcast. Julie's unique approach to investigations is informed by her background in nursing, which allows her to provide an in-depth analysis of the medical intricacies and physiological aspects of each case. With her compassionate storytelling and unwavering dedication to uncovering the truth, Julie t ...
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Tapes Unwound

Tomas Kontrimas

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Tracing the steps of True Crime cases, and analyzing them through a magnifying glass. While at the same time, attempting to unearth the factors that lead the perpetrators to act out in such evil ways.
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Crime and the Courtroom

John M. Collins

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Crime and the Courtroom is a unique and stimulating examination of the American criminal justice system for the authorities and supporting professionals who make criminal justice possible. We turn an observant eye toward the system’s evolving capacity to strike the delicate balance between preserving the quality of life of our citizens and protecting the rights of the accused. Hosted by one of the most respected and influential forensic experts in the United States, John M. Collins and his g ...
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#100: “Wing Violence” and the Murder of Charlie Kirk 38:08

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In the 100th episode of Crime and the Courtroom, host John Collins pauses the celebration to examine the shooting death of Charlie Kirk in Utah and what it reveals about public safety, due process, and the health of civic life. Drawing on his experience in the Atlanta Olympic bombing investigation, Collins unpacks how early speculation and “wing vi…
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#99: How Much Control Should Judges Have Over the Testimony of Expert Witnesses? 1:09:11

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Judges hold tremendous power in the American criminal justice system, and possibly more power than we realize. In this episode of Crime and the Courtroom, John Collins shares his thoughts about a trend being encountered by expert witnesses whose testimony is being limited or controlled by judges. In some cases, the identification of latent prints o…
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#98: The ISHI Forensic Leadership Alliance: Looking Ahead to the 2025 Symposium 1:09:52

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In this episode of Crime and the Courtroom, host John Collins is joined by colleagues Dr. Pamela Marshall, Julie Sikorsky, and Dr. Ray Wickenheiser to discuss their ongoing collaboration, the Forensic Leadership Alliance. The group reflects on their shared work since 2020 in providing leadership development opportunities for forensic scientists, wi…
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#97: Police Culture, Federal Funds, and Forensic Science Laboratories 41:28

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John Collins examines the growing challenges facing U.S. forensic science laboratories as federal funding programs come under political pressure in Washington. Drawing on decades of experience as a former laboratory administrator and current leadership coach, Collins explores how dependence on federal grants has affected laboratory budgets, priorit…
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#96: Cyber Hell? A Conversation with Tom Arnold 55:01

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In this episode of Crime and the Courtroom, host John Collins speaks with Tom Arnold, a leading expert in digital evidence and cyber crime investigation. Mr. Arnold has led major breach investigations involving thousands of servers and has advised agencies including the U.S. Secret Service. He currently teaches at San Jose State University and the …
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#95: The Wrongful Conviction of Forensic Science and the Attack on Firearm Identification 1:05:33

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In this episode, John Collins provides a thought-provoking and direct follow-up to episode #94, which covered the Oregon appellate court ruling in State v. Adams. In Adams, the court rejected the science of firearm identification and reversed the conviction. John explains the recent historical forces that have made forensic science a target of crim…
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#94: Firearm Testimony Blocked by Oregon Appellate Court - A Call to Action 29:31

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SPECIAL EPISODE: In a June 2025 decision, the Oregon Court of Appeals delivered a controversial ruling on forensic evidence admissibility in State v. Adams, a case involving a 2018 shooting in Portland. The ruling has been interpreted and reported as a categorical rejection of the method of linking spent shell casings to a particular firearm—common…
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#93: The Highly Impressive Expert Witness - Training Priorities and Strategies 48:06

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In this coaching session with John Collins, we explore specific priorities and strategies for developing professionals who give courtroom testimony as a part of their normal responsibilities. This episode is useful for accelerating the development of all kinds of expert witnesses, especially forensic laboratory scientists and administrators. Season…
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#92: Evaluating Expertise in an Era of Compromised Integrity - A Coaching Session 42:06

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In this coaching session with John Collins, we discuss the problem of placing our trust in subject-matter experts in a time when it seems that integrity has gone out of style. John offers some solutions and strategies for how to be more effective in screening the individual expertise, competence, and character of individuals who claim to be experts…
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#91: Psychopaths and Copycats - A Conversation with Dr. Jacqueline Helfgott 56:00

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Jacqueline Helfgott is the Director of the Crime and Justice Research Center at Seattle University and the author of “Copycat Crime: How Media, Technology, and Digital Culture Inspire Criminal Behavior and Violence.” In this episode, Dr. Helfgott speaks with John Collins about the subject of psychopathy and how prevalent it is across the human popu…
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#90: A Conversation with Jeff Asher on Crime Data, Trends, and Reporting Challenges 32:07

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John Collins speaks with Jeff Asher, a data-analytics expert and Substack writer specializing in - as Jeff puts it - crime, data, and crime data. Jeff has an impressive history working in the Department of Defense and the CIA, among others. In this episode, John and Jeff discuss the measurement of crime in the United States, how it is done, and the…
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#89: Dr. Nancy La Vigne - A Conversation with the Dean of Rutgers’ School of Criminal Justice 45:27

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Nancy La Vigne is the Dean of the Rutgers School of Criminal Justice, based at the campus in Newark, New Jersey. In this episode of Crime and the Courtroom, John Collins and Dr. La Vigne discuss her new responsibilities at Rutgers, as well as contemporary priorities in criminal justice research, technology, and education. Dr. La Vigne also shares h…
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#88: Preventing Catastrophic Misconduct in Accredited Forensic Science Laboratories (Part 2 of 2) 1:00:19

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In this episode, John Collins builds on the themes and recommendations covered in episode 87, with regards to forensic laboratory accreditation and its strengths and limitations. Seven policy priorities are discussed to help forensic science laboratories, their parent agencies, and their jurisdictions prevent instances of catastrophic misconduct be…
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#87: When Catastrophic Misconduct Happens in a Forensic Science Laboratory (Part 1 of 2) 35:57

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John Collins answers an email from an audience member who wonders: What’s the point of accreditation if a catastrophic failure or major act of misconduct can still happen under the radar. Season: 5 Episode: 87 Duration: 35:57 YOUTUBE CHANNELSMain Podcast Channel Highlights Channel FROM OUR SPONSORLearn About the Innovators at Promega International …
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#86: Caitlin Burchill, Investigative Reporter with NBC Connecticut 40:30

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Caitlin Burchill is an investigative reporter with NBC Connecticut and a proud member of the production team that created the documentary, Traces of Doubt: The Forensics of Dr. Henry Lee, which is now available in its entirety on YouTube. Caitlin speaks with John Collins about her life and career as an investigative reporter, and sheds light on her…
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85# Sarah Chu on Forensic Evidence and Post-Conviction Advocacy 59:02

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Dr. Sarah Chu is the Director of Policy and Reform at the Perlmutter Center for Legal Justice at the Cordoza School of Law in New York. In her role at the center, she applies her own extensive background in science and public policy to take an active lead on advancing our criminal justice system's efforts to utilize forensic evidence with maximum e…
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