The Psychology of Criminal and Antisocial Behaviour

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At The Psychology of Criminal and Antisocial Behaviour Podcast we do things a little differently. While other crime podcasts examine cases, we examine the “mechanics” behind criminal and antisocial behaviour. While cases will certainly be discussed, these will not be the central focus of our show. Rather than talking about what someone did, we will tell you why. Our audience is therefore anyone who is interested in a deep-dive into why criminals and victims do what they do. So join our hosts, Criminologist Dr. Wayne Petherick and Clinical Psychologist Dr. Grant Sinnamon for our weekly episodes. You can become a podcast patron by going to http://psychcrim.podbean.com and clicking the Become a Patron button.

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    • May 15, 2025 LATEST EPISODE
    • monthly NEW EPISODES
    • 45m AVG DURATION
    • 55 EPISODES


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    Latest episodes from The Psychology of Criminal and Antisocial Behaviour

    Episode 43 Disaster Related Crime

    Play Episode Listen Later May 15, 2025 55:18


    In this episode Wayne and Grant talk about crimes that occur riding or after natural disasters such as hurricanes and tornados.

    Perception UFOs and Aliens

    Play Episode Listen Later Apr 10, 2025 49:24


    In this episode Wayne and Grant discuss the issue of perception through the study of UAP and also the Defensive Activation Theory of David Eagleman.  We hope you enjoy!

    Episode 41 Four More Years

    Play Episode Listen Later Mar 26, 2025 45:44


    In this episode, the first since the inauguration of President Trump, Wayne and Grant discuss social issues this may present.

    Episode 40 The Syrian Situation

    Play Episode Listen Later Jan 21, 2025 35:23


    In this episode Wayne and Grant talk about the situation in Syria, covering the role of ideology in the conflict.

    Episode 39 Where Have all the Serial Killers Gone?

    Play Episode Listen Later Dec 15, 2024 39:13


    In this episode Wayne and Grant talk about serial killers, specifically, where have they all gone?  Data would indicate an actual decline in the phenomenon, especially since the 70s and 80s.  We discuss some of the possible reasons this may be happening.

    Episode 38 Why do People Stalk?

    Play Episode Listen Later Dec 3, 2024 34:22


    In this episode Wayne and Grant explore some of the motivations behind stalking

    Episode 37 Adult Crime Adult Time

    Play Episode Listen Later Nov 21, 2024 34:58


    In this episode Wayne and Grant discuss the political policy of "adult crime, adult time".

    Episode 36 What Makes Something Criminal

    Play Episode Listen Later Nov 5, 2024 50:03


    In this episode Wayne and Grant talk about what makes something criminal, that is, how does something become criminal?

    Episode 35 Crimes of the State

    Play Episode Listen Later Oct 27, 2024 50:36


    In this episode Wayne and Grant talk about crimes of the state so please tune in and let us know what you think!

    Episode 34 The Lucifer Effect

    Play Episode Listen Later Oct 13, 2024 57:02


    In this episode Wayne and Grant discuss the Lucifer Effect which considers why good people can end up doing bad things.

    Episode 33 Criminal Couples

    Play Episode Listen Later Oct 8, 2024 49:48


    In this episode Wayne and Grant talk about criminal couples such as Fred and Rose West and the infamous Bonnie and Clyde.

    Episode 32 Expert Testimony

    Play Episode Listen Later Sep 30, 2024 43:01


    In this episode Wayne and Grant discuss expert testimony, including a few of the problems with its use.

    Episode 31 Eyewitness Testimony

    Play Episode Listen Later Sep 15, 2024 38:32


    In this episode Wayne and Grant talk about eyewitness testimony.  While relied upon  regularly by the courts, it would appear that eyewitness testimony is potentially problematic owing to things like memory corruption and bias.

    Episode 30 Scammers and Fraudsters

    Play Episode Listen Later Sep 8, 2024 45:50


    In our 30th episode Wayne and Grant discuss scammers - why they do what they do and how they rationalise their behaviour.

    Episode 29 Faulty Forensics: Comparative Bullet Lead Analysis

    Play Episode Listen Later Sep 1, 2024 36:30


    In this episode Wayne and Grant discuss the faulty forensics of Comparative Bullet Lead Analysis (CBLA) which involves matching fired projectiles at a crime scene to those found in the possession of a suspect.

    Episode 28 Who Killed Sarah Brown?

    Play Episode Listen Later Aug 23, 2024 49:14


    In this episode Wayne and Grant introduce former police detective turned private investigator and podcaster Graeme Crowley.  Graeme is investigating the death of Sarah Brown in Gympie in 2023.  We talk about the particulars of the case and where the new investigation might be heading.

    Episode 27 Psychopathology and Crime

    Play Episode Listen Later Aug 16, 2024 40:37


    In this episode Wayne and Grant talk about psychopathology and it's role in crime and antisocial behaviour.

    Episode 26 Youth Sexual Offending

    Play Episode Listen Later Aug 10, 2024 40:56


    In this episode Wayne and Grant introduce the listener to the issue of youth sexual offending through the biopsychosocial model.

    Episode 25 Early Life Experience and Trauma

    Play Episode Listen Later Aug 2, 2024 44:02


    In this episode Grant and Wayne discuss the role of early life experience and trauma on later antisocial and criminal behaviour.

    Episode 24 Psychopathology and Criminal Behaviour

    Play Episode Listen Later Aug 2, 2024 12:48


    In this flying solo episode Grant gives an introduction to psychopathology and criminal behaviour.  This episode is the foundation for a full-length episode in the coming weeks.

    Episode 23 Customer Aggression

    Play Episode Listen Later Jul 26, 2024 46:29


    Wayne and Grant talk about customer aggression and the me-you-us approach to dealing with aggressive customers.

    Episode 22 Tourism Related Crime

    Play Episode Listen Later Jul 20, 2024 48:19


    In this episode Wayne and Grant talk about tourism related crimes, including a few very recent high profile crimes.  The hosts talk about why tourism related crime happens and provide a few tips for what we can do about it.

    Episode 21 Forensic Victimology

    Play Episode Listen Later Jul 15, 2024 38:42


    In this episode Wayne and Grant discuss forensic victimology.  The practice of applying victimological knowledge to the law.  The hosts work through the various histories of a victimology and talk about their importance.

    Episode 20 The Window of Tolerance

    Play Episode Listen Later Jul 4, 2024 37:39


    In this episode hosts Wayne and Grant discuss the window of tolerance, which describes an optimal state of arousal to function.  This has implications for antisocial and criminal behaviour. #psychology #criminology #antisocial #windowoftolerance

    The Universality of Goodness Sound Bite

    Play Episode Listen Later Jun 29, 2024 6:45


    In this sound bite, host Grant talks about what he calls "the universality of goodness" which relates to whistleblowing.  This has been topical in the past week with the release of Julian Assange and this brief episode will serve as the basis for a longer episode on whistleblowing. #psychology #criminology #julianassange #whistleblowers

    Episode 19 False Reports in Stalking Part 2

    Play Episode Listen Later Jun 27, 2024 34:43


    Following on from the popular episode on stalking, Wayne and Grant talk about false reports in stalking including the motivations and features of false reports compared to real stalking cases. #false reports #psychology #criminology

    Episode 19 False Reports in Stalking Part 1

    Play Episode Listen Later Jun 27, 2024 37:12


    Following on from the popular episode on stalking, Wayne and Grant talk about false reports in stalking including the motivations and features of false reports compared to real stalking cases. #false reports #psychology #criminology

    Forensic Victimology Sound Bite

    Play Episode Listen Later Jun 27, 2024 7:29


    In this "sound bite" Wayne provides a basic overview of forensic victimology, the application of victimological knowledge to answer investigative and legal questions.  This serves as the foundation for a full length future episode. #forensicvictimology #forensic #psychology #victimology #criminology 

    Episode 18 Understanding Female Perpetrated Stalking

    Play Episode Listen Later Jun 20, 2024 57:38


    In this episode Wayne and Grant go through the findings from a publication on female stalking.  We look at the points of similarities and differences from male perpetrated stalking and discuss the features of stalking when committed by females. #psychology #criminology #stalking #femalecrime

    Episode 17 Teen Crime 2 Part 3 Social Bond Theory

    Play Episode Listen Later Jun 11, 2024 31:47


    In this three-part episode, Wayne and Grant discuss teen crime through the ens of Social Bond Theory which states that crime and antisocial behaviour are less likely to occur when the individual is bonded or attached to their friends, family, and community. #crime #teencrime #victimisation #socialbond #Hirschi

    Episode 17 Teen Crime 2 Part 2 Social Bond Theory

    Play Episode Listen Later Jun 11, 2024 44:04


    In this three-part episode, Wayne and Grant discuss teen crime through the ens of Social Bond Theory which states that crime and antisocial behaviour are less likely to occur when the individual is bonded or attached to their friends, family, and community. #crime #teencrime #victimisation #socialbond #Hirschi

    Episode 17 Teen Crime 2 Part 1 Social Bond Theory

    Play Episode Listen Later Jun 11, 2024 28:20


    In this three-part episode, Wayne and Grant discuss teen crime through the ens of Social Bond Theory which states that crime and antisocial behaviour are less likely to occur when the individual is bonded or attached to their friends, family, and community. #crime #teencrime #victimisation #socialbond #Hirschi

    Episode 16 Criminal Profiling

    Play Episode Listen Later Jun 5, 2024 63:22


    In this episode Wayne and Grant discuss criminal profiling.  The hosts talk about what it is, some of the different methods and profiling and what profiling hopes to achieve.   #psychology #criminology #criminalprofiling #criminalprofile #victim #offender

    Episode 15 Serial Crime

    Play Episode Listen Later May 31, 2024 54:04


    In this episode Wayne and Grant discuss what makes a crime a serial crime.

    Episode 14 The Full Moon and Crime

    Play Episode Listen Later May 27, 2024 31:55


    Wayne and Grant discuss the lunacy around the full moon and crime.  Does the full moon actually increase criminal behaviour?

    Episode 13 Cults and Adult Sexual Grooming

    Play Episode Listen Later May 27, 2024 52:00


    Wayne and Grant do a follow up to their cults episode looking specifically at cults and adult sexual grooming.

    Episode 12 Evolutionary Theories

    Play Episode Listen Later May 26, 2024 59:13


    Wayne and Grant take on the very large topic of evolutionary theories.  What are they and how does evolution affect behaviour?

    Episode 11 A Recap on Our First Few Episodes

    Play Episode Listen Later May 26, 2024 46:59


    In this episode Wayne and Grant touch on a few key points from our first. few episodes.

    Episode 10 An Introduction to False Reports

    Play Episode Listen Later May 26, 2024 45:27


    In this episode on false reports Wayne and Grant look at what a false report is, why they occur, and some of the contexts in which a false report can be made.

    Episode 9 An Introduction to Stalking

    Play Episode Listen Later May 26, 2024 47:49


    Wayne and Grant discuss stalking - what is it, what behaviours could be considered stalking, and some of the legal definitions for stalking.

    Episode 1 Who Are We?

    Play Episode Listen Later May 26, 2024 40:23


    In this raw, unedited first episode we introduce you to our podcast hosts Dr. Wayne Petherick and Dr. Grant Sinnamon.

    Episode 14 The Full Moon and Crime

    Play Episode Listen Later May 23, 2024 31:55


    In this episode Wayne and Grant talk about the full moon and whether or not this has any effect on criminal behaviour.

    Episode 13 Cults and Adult Sexual Grooming

    Play Episode Listen Later May 18, 2024 51:59


    A timely topic given recent media exposure, Wayne and Grant discuss the relationship between cults and adult sexual grooming

    Episode 12 Evolutionary Theories

    Play Episode Listen Later May 18, 2024 59:12


    Wayne and Grant take a look at evolutionary theories and how they influence crime and victimisation

    Episode 11 A Recap on our First Few Episodes

    Play Episode Listen Later May 18, 2024 46:58


    In this episode Wayne and Grant provide a recap of some of the main points from the first few episodes

    Episode 10 Introduction to False Reports

    Play Episode Listen Later May 17, 2024 45:26


    In this episode Wayne and Grant talk about the false report.  Tins includes an introduction to motivation and the different types of false reports.

    Episode 9 Introduction to Stalking

    Play Episode Listen Later May 17, 2024 47:42


    In this episode Wayne and Grant talk about stalking.  What it is, how it is defined, and how it is viewed through legislation.

    Episode 8 Adult Sexual Grooming

    Play Episode Listen Later May 2, 2024 70:08


    This week Wayne and Grant take a dive into the topic of adult sexual grooming.  In this episode we introduce adult sexual grooming, and discuss Sinnamon's Seven Stage Model.

    Episode 7 Vulnerabilities Part 2

    Play Episode Listen Later May 2, 2024 58:55


    This episode is the second in the vulnerabilities series.

    Episode 6 Vulnerabilities Part 1

    Play Episode Listen Later May 2, 2024 47:21


    Wayne and Grant introduce vulnerabilities and how they influence criminal and antisocial behaviour.  This episode is part 1 of a multi-part series.

    Episode 5 Cults

    Play Episode Listen Later May 2, 2024 64:23


    Wayne and Grant cover the topic of cults in this episode.  They talk about what a cult is, how they are organised, and the dangers cults present.

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