Education

Northeastern University – Criminal Justice, Psychology

Professional Experience

Executive Member at Large, International Society for the Study of Serial Murder

Founder, Atypical Homicide Research Group 

Founder, Serial Homicide Expertise and Information Sharing Collaborative

Director, Murder Accountability Project 

Additional Research Experience

Case Manager, The Forensic Panel 

Research Associate, Serial Murderers and Their Victims, Fresno CA 

Reviewer and Contributor, Radford Serial Killer Database 

Founder, Multidisciplinary Collaborative on Sexual Crime and Violence

Research Assistant, Extreme Killing, Boston MA

Research Assistant, FBI Investigative Training Unit, Quantico, VA

Book

Killer Data: Modern Perspectives on Serial Murder. Routledge.

Peer-Reviewed Publications

April Chai, Kim Rossmo, Julien Chopin, & Enzo Yaksic. (2024). The Math of Serial Murder: Understanding Victim Numbers and Series Duration. In press, Journal of Criminal Justice.

Michael Aamodt, James Alan Fox, Eric Hickey, Ronald Hinch, Brigadier Gérard Labuschagne, Jack Levin, Janet McClellan, Bryan Nelson, Michael Newton, Kenna Quinet, Cloyd Steiger, John White, & Enzo Yaksic (2024). Consolidated Serial Homicide Offender Database. Harvard Dataverse.

Wade C. Myers, Mark Safarik, Heng Choon (Oliver) Chan, & Enzo Yaksic. (2023). Serial sexual murder by juveniles and the role of sexual sadism: An international study. Behavioral Sciences and the Law. 41(5):262-279.

Daniel Salafranca Barreda, & Enzo Yaksic (2023). Evaluating the Dispersion Strategies Used to Locate Serial Homicide Offenders. Journal of Police and Criminal Psychology. 38(1):55-71.

Egor Denisov, Aleksandr Vecherin, & Enzo Yaksic (2022). Hierarchical cluster analysis of the behavioral patterns of serial violent offenders. Proceedings of Voronezh State University. Series: Law. 3(50):300–321.

April Chai, Enzo Yaksic, & Julien Chopin (2022). One ‘two’ many: An examination of solo perpetrator vs. team perpetrator serial homicides. Homicide Studies. 26(2):176-198.

April Chai, Enzo Yaksic* (co-first author), Julien Chopin, Ashley Hewitt, & Francis Fortin (2022). Time after time: Factors predicting murder series’ duration. Journal of Criminal Justice. In press.

Gian Campedelli, & Enzo Yaksic (2021). Survival of the Recidivistic? Revealing Factors Associated to the Length of Multiple Homicide Offenders' Criminal Careers. Homicide Studies. 26(3):244-268.

Enzo Yaksic, Marissa Harrison, Daniel Konikoff, Robyn Mooney, Clare Allely, Raneesha De Silva, Brenna Matykiewicz, Melissa Inglis, Steven Giannangelo, Steven Daniels, & Christine Sarteschi (2021). A heuristic study of the similarities and differences in offender characteristics across potential and successful serial sexual homicide offenders. Behavioral Sciences and the Law. 39(4):428-449.

Enzo Yaksic, Mikhail Simkin, & Vwani Roychowdhury. (2021). Statistical Study of Time Intervals Between Murders for Serial Killers. Journal of Criminal Justice. 73.

Enzo Yaksic, Tara Bulut Allred, Christa Drakulic, Robyn Mooney, Raneesha De Silva, Penny Geyer, Angelica Wills, Caroline Comerford & Rebekah Ranger. (2021). How Much Damage Do Serial Homicide Offenders Wrought While the Innocent Rot in Prison? A Tabulation of Preventable Deaths as Outcomes of Sentinel Events. Psychology, Crime & Law. 27(1):76-88.

Enzo Yaksic. (2020). Evaluating the Use of Data-based Offender Profiling by Researchers, Practitioners and Investigative Journalists to Address Unresolved Serial Homicides. Journal of Criminal Psychology. 10(2):123-144.

Abbie Marono, Sasha Reid, Enzo Yaksic, & David Keatley. A Behaviour Sequence Analysis of Serial Killers’ Lives: From Childhood Abuse to Methods of Murder. (2020). Psychiatry, Psychology and Law. 27:126-137.

Enzo Yaksic, Clare Allely, Raneesha De Silva, Melissa Smith-Inglis, Daniel Konikoff, Kori Ryan, Dan Gordon, Egor Denisov, & David A. Keatley. (2019). Detecting a Decline in Serial Homicide: Have We Banished the Devil from the Details? Cogent Social Sciences. 5(1):1-23.

Enzo Yaksic. (2019). Moving Past Sporadic Eruptions, Discursive Killing, and Running Amok: Recognizing the Convergence of the Serial and Spree Killer. Journal of Criminal Psychology. 9(3):138-146.

Enzo Yaksic. (2018). The Folly of Counting Bodies: Using regression to transgress the state of serial murder classification systems. Aggression and Violent Behavior. 43:26-32

David Keatley, Hayley Golightly, Rebecca Shephard, Enzo Yaksic, & Sasha Reid. (2018). Using Behavior Sequence Analysis to Map Serial Killers’ Life Histories. Journal of Interpersonal Violence, 1-21.

Clare Allely, Philip Wilson, Helen Minnis, Lucy Thompson, Enzo Yaksic, & Christopher Gillberg. (2017). Violence is Rare in Autism: When it Does Occur, is it Sometimes Extreme? The Journal of Psychology, 151(1):49-68.

Enzo Yaksic. (2015). Addressing the Challenges and Limitations of Utilizing Data to Study Serial Homicide. Crime Psychology Review, 1(1):108-134.

Manuscripts in Preparation

Unraveling Escalation: Examining Increasing Patterns of Violence in Serial Murders

Deadly Pathways: Comparing Serial Murderers and Serial Murderer/Mass Murderers

What Inputs Are Required to Build a Serial Homicide Phenotype?

Invited Book Reviews

Mass Murder and Serial Murder: An Integrative Look. Criminal Justice Review

Book Chapters

The Serial Murder Phenomenon Half a Century On. Routledge Handbook of Homicide Studies     

To Know and Cage the Devil: Policing Serial Murder in the Attention Age. Routledge Handbook of European Serial Killing

The Profile of the Modern US-Based Serial Murderer, Monsters in the Mirror

Serial Murder, The Encyclopedia of Forensic Sciences

The Perpetual Influence of Dark Traits on Alienists: Dissecting the Use of Transgressive Behavior and Antagonistic Schemes to Obtain Esteem by Inhibiting Social Cohesion and Altering Functional Norms. Routledge International Handbook of Psychopathy and Crime  

Novel Techniques to Detect the Multiple-event Murderer:  An Exploration of a Researcher’s Field Notes. Violent Offenders: Theory, Research, Public Policy and Practice 3, 337-350.

Dictionary Entries

Serial Murder, SAGE Dictionary of Criminology                                                                

Mass Murder, SAGE Dictionary of Criminology

Featured:

Halber, D. Boston Magazine. Profiler 2.0

Best Evidence blog

CJ Update Newsletter: Serial Homicide Collaborative Brings Research Data Together          

Podcasts:

Websleuths Radio with Tricia Griffith

The Fall Line - Killer Data: Serial Killers in the Modern Age

Television Appearance:

Boston University’s On That Point

Use of Modified Delphi Panel: Organized panel to come to consensus on serial killer definition

Presentations and Conference Attendance

American Academy of Psychiatry and the Law. Serial Sexual Murder by Juveniles and the Role of Sexual Sadism

Society of Police and Criminal Psychology. Unraveling Escalation: Examining Violence in Serial Murders

CrimCon: Survival of the Recidivistic? Revealing Factors Associated with the Length of Multiple Homicide Offenders' Criminal Careers

American Society of Criminology Annual Meeting. Chair of Serial Homicide Patterns and Factors 

28th Annual Markle Symposium, CT: Serial Murder: The Crime and the Investigation  

Boston College Homicide Forum, MA: Featured Speaker  

Society for Police and Criminal Psychology, CA: Detecting an Observable Decline in Serial Homicide  

Conference of the International Academy of Investigative Psychology, NY. Issues with Serial Killer Data

Confronting Homicide in a Changing World, WI: Applications of Serial Homicide Data: Killers in Pairs  

Justice Clearinghouse Webinar: Serial Murder - Separating Fact from Fiction

Homicide Research Working Group Meeting, FL: Future Directions, Status of Homicide Research         

Unresolved Homicides and Unidentified Human Remains, MA: Forensics Panel

Can a Demographic Make you Psychopathic? Northeastern University Research, Innovation and Scholarship Expo           

Other Writings

 Serial Killer Suspect Not Tech Savvy (Letter to the Editor, Long Island Press)

 Gilgo Killings Suspect Atypical of Modern-Day Serial Murderers (Medium)

 A Call for Accountability in True Crime (Medium)

 The Clinical’s Inventory of the Everyday Extreme and Outrageous and the Depravity Standard: Instituting Scales to Quantify Evil and Categorize the Wantonly Dangerous Among Us

Who is Culpable in the Promulgation of Serial Killer Myths and Stereotypes? (Medium) 

Accounting for Murder: A New Tool for Homicide Investigators (white paper)

Book Review of Why We Love Serial Killers (GoodReads)

True Crime Diary blog post Pulling Back the Veil of a Serial Murder Suspect

Special Dedication to Leonard Morgenbesser in Serial Murderers and Their Victims

Reclassify gang members as serial killers opinion in USAToday

Breaking the Stereotype of a Serial Killer (Op-Ed, Clarion Ledger)

Invited Talks

Texas A&M - Brittney Hood

Boston College - Ann Burgess

Quincy College - Jason Paynich

Mentorship:

Andrew Harris – PhD student, Serial Murder Myths

Nacho Marin – Student, Factors in Development of Serial Murderer

Evelin Csabai – Research Assistant for Killer Data

Madelyn Castro – Student, The Frequency of Brutality Among Serial Murderers

Dan Gordon – Intern at Atypical Homicide Research Group

Jodie Ng – Student, Northeastern University

David Cavanagh – Cambridge Massachusetts serial murders

Expertise/Outreach

Kettler, S. A&E Blog. Serial Killers: 6 Top Misconceptions

Griffith, K. The Daily Mail. Was Idaho suspect planning the perfect murder?

Muldowney, D. Daily Beast. Could This Profile Help Catch California Serial Killer?

Lin, S. Los Angeles Times. Victims of suspected Northern California serial killer identified

Heffernan, E. St. Louis Dispatch. How rare are the suspected St. Louis, Kansas 'serial' killings? Experts weigh in.

Heffernan, E. St. Louis Dispatch. St. Louis area serial murder cases in the last decade

Silver, J. Pittsburgh Post-Gazette. Brutal Secrets: Police press for final confessions from Pennsylvania’s dreaded serial killer

Sim, W. The Straits Times. ‘You’ll regret this’: Yakuza gang boss threatens judge in Japan over death sentence

Rice, G. Kansas City Star. Kansas City police fail to solve most crimes. It’s one reason some want more city control

Muscavage, N. Bridgewater Courier News. Expert: Roy Den Hollander would have killed again

Sim, W. The Straits Times. ALS patient's death ignites assisted suicide debate in Japan

Burlew, J. USA Today. Aaron Glee has been charged with murders of Oluwatoyin Salau and Vicki Sims in Florida. He 'would have killed again,' experts say

St. John, P. & Money, L. Los Angeles Times. Golden State Killer pleads guilty to murders and other crimes that terrorized California

Nobile, T., Martin, J., & Maag, C. NorthJersey.com. Serial killer Khalil Wheeler-Weaver guilty of murdering three women in 2016

Martin, J. NorthJersey.com. NJ man on trial ‘doesn’t look like’ a serial killer, but expert says he fits the profile

Sewell, D., & Rubinkam, M. Associated Press. Serial killer’s victim portraits could help crack cold cases

Garrett, A. Akron Beacon Journal. Wave of cold cases involving accused serial killers hits   Northeast Ohio

Griffith, K. The Daily Mail. Police investigate possible serial killer three women shot dead near St Louis

Tarm, M. Associated Press. ‘Wannabe serial killer’ Googled murder instructions before Chinese scholar disappeared: Brendt Christensen claimed he killed 13 victims, but an expert categorized him as “wannabe serial killer

Vargas, R. A. and Matt Sledge, M. The New Orleans Advocate. Suspected Metairie killer called himself 'the devil' in bizarre incident weeks before shootings

Hunter, G. The Detroit News. Serial killer experts say kneeling corpses are symbolic

Sim, W. The Straits Times. Attacker was troubled man with short fuse

Ramirez, D & Manna, N. Fort Worth Star-Telegram. Dallas man accused of killing 12 elderly women maintains he’s innocent, attorney says

Warren, D. Associated Press. FBI: Man confessed to 90 killings in effort to move prisons

Phillips, K. The Washington Post. Suspect in six Arizona shootings attacked victims tied to his divorce, police say

Burkitt, B. AZ Central. 'Systematic, deliberate and intentional': Scottsdale shooting update  

Meyer, M. PHOENIX magazine. The Cray Divorcé

Shenfeld, H. A&E Real Crime Blog. The Blue-Collar Jobs of Serial Killers

Montero, D. Los Angeles Times. Technology helps catch serial bombers, but ego is their biggest vulnerability          

McGaughy, L. The Dallas Morning News. Who is Mark Conditt? What we know about the Austin bombing suspect        

Sedensky, M. AP. Texas bomber's change in tactics could hint at future plans  

Hernandez, N. The Austin Chronicle. Package Bombings: More Questions Than Answers

Cassidy, M. The Republic. As murder rate rises in Phoenix, the number of unsolved cases is growing, too  

Szklarski, C. The Canadian Press. Discovery of remains, police belief of serial killer at work has experts musing

Harris, T. The Star. Alleged serial killer Bruce McArthur ‘undoubtedly believed he had outsmarted everyone’  

Braun, L. Toronto Sun. Criminal behaviour research group digs inside the heads of serial killers  

Moon, J. The Star. LGBTQ community wonders why arrest took so long  

Griffith, K. The Daily Mail. Suspected serial killer accused of murdering nine people in three weeks  

Wilkinson, A. The New Yorker. The Serial Killer Detector  

Sim, W. The Straits Times. How Japan's Black Widow baited and killed her prey  

Sim, W. The Straits Times. Japan vows to clamp down on suicide sites  

Clarke, T. The West Australian. Is glorified murder to blame for new breed of killer?  

Sampson, Z. Tampa Bay Times. Experts have some theories on who's carrying out Seminole Heights killings 

Sanders, K. NBC News. Grieving Dad: Find Shooter Stalking Tampa Residents 

Montgomery, R. The Kansas City Star. After four slayings, anxiety stalks trails in south Kansas City  

Whiffen, G. The Telegram. No indication St. Anthony missing-person cases linked: expert 

Dissell, R. Cleveland Plain Dealer. Could an algorithm help detect serial killers in Cleveland?  

Gutowski, C. Chicago Tribune. Lorry killer Ann Borowski will go out early?  

Specker, L. AL.com. Serial killer or wannabe? Expert skeptical in Mobile case  

Holstege, S. Phoenix New Times. Hot Nights, Cold Cases, Part 2: Detective Can Be 'Loneliest   Job in the World'  

Kennedy, E. Pensacola News Journal. Mary Rice: victim or murder accomplice?  

Mustian, J. The Advocate. How to explain Baton Rouge's troubling history of serial killers?  

Gross, D. GoUpstate.com. Families, experts believe Kohlhepp may have more victims 

Apel, T. Clarion Ledger. Jessica Chambers suspect tied to Louisiana homicide  

Smith, T. USA Today. S.C. murders: The psychology of a suspected serial killer 

Smith, T. Greenville News. Experts: Luck, normalcy aid serial killers in avoiding detection 

Valencia, M. Boston Globe. Sampson may seek mercy from jury that decides his sentence

Baum, K. The Globe and Mail. Prime target: How serial killers prey on indigenous women

Mitchell, J. Clarion Ledger. GONE: Vail goes into hiding as families start talking

Mitchell, J. Clarion Ledger. Most serial killers a far cry from Hollywood’s Hannibal Lecter  

Mitchell, J. Clarion Ledger. Vail's ex-wife raises more questions about suspected killer  

Mitchell, J. USA Today. 50 years later, man arrested in wife's death

Stewardship and Service

Referee: Behavioral Sciences and the Law, Journal of Criminal Justice, Crime & Delinquency, Journal of Criminal Psychology, Police Practice and Research: An International Journal, Homicide Studies, Deviant Behavior, International Journal of Police Science and Management, The Journal of Qualitative Criminal Justice and Criminology, Criminal Behavior and Mental Health, Journal of Forensic Psychiatry Research and Practice, Forensic Sciences, International Journal of Environmental Research and Public Health, Routledge, Cambridge University Press

Organizer, Consolidated Serial Homicide Offender Database Dataverse

Member, Researchers in Behavior Sequence Analysis

Member, International Network for Research into Violence Against Older Women

Technical Advisor, A&E’s ‘The Killing Season’

Advocate, The Depravity Standard

Participant, Ohio Rape Kit Survey Project

Signed letter calling for the media to stop using mass murderers' pictures and names

Recognized for Significant Professional Performance on the Radford Serial Killer Database

  • Established relationship with FBI’s Behavioral Analysis Unit 5

  • Established relationship with Homicide Investigation Tracking System/Washington State Attorney General's Office

  • Contributed entire dataset to the National Center for the Analysis of Violent Crime’s Serial Killer Collection (SKC) Project

Petitioned Governor John Edwards to rescind parole of suspected serial killer Samuel Galbraith

  • Engaged in similar process to replicate that success with Ripper Crew Member Thomas Kokoraleis

Contributed serial homicide data to Open Data Science   

Supporter of Criminology Open

Membership

American Society of Criminology

Homicide Research Working Group

Society for Police and Criminal Psychology

Awards

Wiley Top Cited Article 2021 - 2022 Behavioral Sciences and the Law. A heuristic study of the similarities and differences in offender characteristics across potential and successful serial sexual homicide offenders

Voted one of the five best books for understanding female serial killers at Shepherd.com

MA Association of Criminal Justice Education’s Award for Innovation in Criminal Justice 

Leonard S. Adelman Memorial Award  

Special Dedication

Yaksic, E. To Leonard Morgenbesser in Serial Murderers and Their Victims

Consultations

Mark Safarik on Billy Chemirmir case

MIT science journalist Deborah Blum for upcoming book on female serial murderers

Reporter Andy Newman on the Rex Heuermann serial murders

Reporter Jeremy Kryt on Bryan Kohberger, Valentina Trespalacios assessments

Stockton CA serial murderer Wesley Brownlee offender profile

UC Davis student Carlos Dominguez offender profile

Reporter Andrew Hay on the Muhammad and Shaheen Syed serial murders

Reporter Stacey Cameron on the Shreveport Transgender Killings

Reporter Kaitlin Durbin on serial killer fear in Toledo

Robert Gross analysis for reporter Ian Cummings

Threat Assessment for Steve Silverman Law Firm

Austin Bombings Offender Profile

Seminole Heights Serial Homicide Offender Profile

Working with Jeremy Kryt on the Lost Girls of Panama cases

Assisted with the pursuit and capture of serial killer Felix Vail

Lindsey Wade Cold Case Homicides, Washington State

Media Projects Passed Over Due to Disagreeable Content

Justin Sudds, Right Angle Entertainment, The Psychology of Serial Killers Game Show

Annette Freeman, Left Right Productions, Murder She Rewrote; Sundance Television

Laura Zaboras, Category 6 Media Group, Invisible Monsters: Serial Killers in America

Bill Kerr, Lone Wolf Media, The Lesson is Murder, Hulu/ABC News

Alicia Arnold, Magilla Entertainment, Unnamed Zodiac Show

Jessica Everleth, Rebel Content Group

Sara Ely Hulse, 48 Hours

Michelle Katz, Espiritus Productions

Colleen McGraw, Sirens Media

Sacha Thorpe, Atlantic Productions

Evan Paszamant, Glass Entertainment Group

Megan Davis, Barcroft Productions

Elizabeth Kanter, Beyond Productions

Book proposals with Esmond Harmsworth, Elaine Spencer, and Matthew Valentinas

Mike King; Profiling Evil podcast

M William Phelps; Crossing the Line podcast

Christopher Duett, Criminal Perspective podcast

Brian Turnof, The Mind’s Eye podcast

Acknowledgments

The Forensic Panel's Growth Spurt on the Cutting Edge

Work summarized in Peter Vronsky’s Sons of Cain

Thanked in David Keatley’s book for “Big Data: Serial Homicide Database

Aided reporter Ricardo Torres-Cortez on the Joshua Emmanuel Castellon case

Aided reporter Melissa Hanson on the Stewart Weldon case

Aided Sarah Tehan on Cooling Off Period Survey

Supplied Data to:

Simon Mariani, author of Profiling Serial Killers Using Multiple Supervised Machine Learning Approaches

Jolene Vincent and Chief Nelson Andreu, PhD dissertations

Dawn Wilcox of Women Count USA: Femicide Accountability Project

Teaching Experience

Serial Homicide Seminar, Northeastern University                                                                   

Cited in

Perpetrator profiling: a useful method of forensic psychology?

Karl Brandt: Application of Serial Murder and Mass Murder Models to a Genocidal Actor

Meher Sharma’s Masters Theses The Development of Serial Killers: A Grounded Theory Study

Preprint of Statistical study of time intervals between murders for serial killers

For more information please visit my ResearchGate profile, Google Scholar page, or blog