The 2021 NGCRC 24th International Gang Specialist

Training Conference (August 2-4, 2021):

A Look at the Presenters


Last Updated: March 1, 2021

Sally-Ann Ashton, Ph.D.

            Sally-Ann Ashton is a Lecturer in Psychosocial Analysis of Offending Behavior at Edge Hill University, England. Her Ph.D. investigated the psychological and social risk factors associated with gang membership, group offending and desistance from crime. In 2017 she was a recipient of the Frederic Milton Thrasher Award for Superior Accomplishments in Gang Research. Sally-Ann has over 10 years of experience running training workshops in English prisons. She currently works with the Violence Reduction Unit at Mercyside Police and is responsible for the evaluation of intervention programs for young people at risk of violent offending and gang membership with Salford Foundation and Greater Manchester Combined Authorities.

Jim Bailey

            Corporal Jim Bailey has been with the Battle Creek Police Department for over 13 years, and has been assigned to the Battle Creek Police Department Gang Suppression Unit for over 6 years. Corporal Bailey has been directly involved in many of the same gang investigations as Detective Sutherland, and has assisted as one of the lead investigators with Detective Sutherland, on many of the same violence crime investigations. Corporal Bailey has also been involved in cell phone investigations, writing and executing search warrants, surveillance techniques, undercover drug buys, and managing confidential informants. Corporal Bailey has been recognized in Michigan State District Court and Circuit Court as an expert in drug trafficking and drug investigations, identifying armed subjects, and cell phone site analyses. Corporal Bailey is currently a K-9 handler for the Battle Creek Police Department and is a member of the department’s Emergency Response Team. He is a Defensive Tactics Instructor and a Patrol Training Officer for the Battle Creek Police Department. He has also received Instructor certification for Active Shooter Response for Civilians, through the Advanced Law Enforcement Rapid Response Training Center at Texas State University.

William A. Campbell

            William A. Campbell is the Interim Director for the Kentucky Department of Juvenile Justice. With 26 years of working with at-risk/adjudicated teens in numerous settings ranging from acute care psychiatric, private residential treatment and group home & juvenile justice detentions. Originally, a Chicago native, William attended Western Illinois University where he received his Bachelors in Communications. Served in the US Army and is a Desert Storm Vet as member of the 101st Airborne (Air Assault) Division, honorably discharged in February 1993. In March of 1993 William began his career working with at-risk/adjudicated adolescents in an acute care psychiatric hospital. William joined the Kentucky Department of Juvenile Justice’s Training Branch in 2007. He has assisted and trained new direct care employees during academy training. In early 2009, certified as an expert gang specialist. In 2010, he received the DJJ Professional Development Employee of the Year award. In 2010, became a Trainer for Trainers at the National Gang Crime Research Center. William currently resides in Elizabethtown, Kentucky and is also a member of the Juvenile Justice Alternative to Detention Initiative Committee.

Michael P. Coghlan, JD

            Michael Coghlan was a certified gang specialist accredited through the Illinois Department of Corrections and the Springfield Police Department. He served as a trainer for gang crime specialist certification. He is a recipient of the Thrasher Award and has provided training throughout the United States for the National Law Enforcement Institute. He coordinated the investigation and prosecution of 24 gang members in a series of conspiracies, solicitation, and offenses including drive-by shootings and gang-related murder.

Inv. Caleb J. Cooper

            Investigator Caleb J. Cooper is studying for his Bachelors of Science degree in Criminal Justice at the University of Central Missouri. He is employed as an investigator with the Audrain County Prosecuting Attorney in Mexico, Missouri. He has served as a criminal intelligence analyst with the Missouri Counterdrug Program. He is a Missouri P.O.S.T. instructor. Cooper has experience as a patrol deputy with the Maries County Sheriff’s Office in Vienna, Missouri and was the Naloxone coordinator with that agency.

Aaron Cunningham

            Aaron Cunningham is a 18 year veteran of the Chicago Police Department, currently assigned to the CPIC Fusion Center. Aaron is a highly decorated officer with extensive gang experience and past assignments to PSN Task Force, Area Gun Team, Intelligence Officer, and Tactical Team member. Aaron is also an internationalist having dedicated himself to organizing large National level Counterterrorism and C4ISR training events in North Asia. He is currently involved in training projects for the El Salvador Policia National Civil (PNC). 

Kenneth Davis

            Kenneth Davis retired from the Yonkers Police Department in July of 2017. From 1985-1990 he was assigned to uniformed patrol (task force and public housing) and plainclothes (street-level and undercover narcotics). From 1990-2000 he worked street gangs, graffiti crimes and police academy. From 2000-2009 he was assigned to several middle/high schools as a school resource officer. In 2009 - 2017, as a detective, he continued investigating street gangs, narcotics (search warrants) and graffiti crimes. As the departments liaison, he assisted the YMCA’s Cure Violence/SNUG Program and the Westchester County Department of Corrections Re-entry Program. From 2017-present, he is a NYS private investigator and a graffiti/gang specialist presenting at various regional, national, and international conferences.

Susie Estrada

            Susie Estrada is the Afterschool & Preschool Director with Dual Immersion Academy. She initially began her work with high-risk youth as a teenager when she volunteered with the Fred Jordan Mission in Los Angeles. As a teen who associated with gang members, Susie recognized the need for more programs and began to work in the field as a specialist. Susie has also taught various grades, worked in gang prevention and migrant education, and coordinated gang prevention programs. She has received her Bachelors of Arts in Child & Adolescent Development with a minor in Psychology & Childcare Administration. She also has received her Masters in Education, Culture & Society from the University of Utah.

Dr. Gregg W. Etter, Sr.

            Dr. Gregg W. Etter Sr., Ed.D. is a Professor of Criminal Justice at the University of Central Missouri. He retired as a Lieutenant with the Sedgwick County Sheriff’s Office after serving from 1977 to 2006. He is rated as a gang expert by the National Gang Crime Research Center. He has written extensively and presented classes on gangs, white supremacist groups and police management topics in the United States and Canada. Dr. Etter earned his Bachelor’s and Master’s degrees from Wichita State University and his Doctorate degree from Oklahoma State University. Dr. Etter is the author of numerous books, book chapters, edited and refereed articles. His latest book is: Gangs and Organized Crime which he authored with Dr. George W. Knox and Dr. Carter F. Smith.

Angela M. Fanjul

            Ms. Fanjul is the Executive Director of Dual Immersion Academy. Prior to that she served as the School Counselor ad worked closely with the community. Ms. Fanjul previously worked as Director of Educational Initiatives and Coordinator of the Centro De La Familia Competency training team. She worked in school based initiatives at Holy Cross Ministries and supported afterschool and in-school interventions throughout the schools working with Holy Cross. These schools ranged from alluent private religious schools to rural public schools with little resources. Ms. Fanjul earned a Bachelors of Arts in Social Work at Weber State University with an emphasis in Latin American studies and languages. She earned a Master’s degree in Social Work and currently holds a clinical social work license.

Luis Flores-Montalvo

            Luis Flores-Montalvo is a 24 year veteran of El Salvador’s Policia National Civil including ten years with the Grupo Maritimo Policial (GMP) where he conducted interagency work with DEA. Luis is an accomplished in-service training instructor with long term roles in specialized training. He is currently involved in an Officer Survival training project with El Salvador’s Policia Nacional Civil (PNC). He is the recipient of numerous agency awards and recognition. He is also a recipient of the Frederic Milton Thrasher Award from the NGCRC.

Janice Joseph, Ph.D.

            Janice Joseph, Ph.D. is a professor of the Criminal Justice Program at Richard Stockton College of New Jersey. She is the Editor for Journal of Ethnicity in Criminal Justice. She earned her Ph.D. degree from York University in Toronto, Canada. She is the author of the book: Black Youths, Delinquency, and Juvenile Justice; and she co-edited the book With Justice for All: Minorities and Women in Criminal Justice; and she has published numerous articles on delinquency, gangs, violence against women, and minorities and crime. She has earned a Frederic Thrasher Award for her research on gangs and has successfully completed several gang specialist training programs at the National Gang Crime Research Center.

George W. Knox, Ph.D.

            George Knox earned his Ph.D. in sociology from the University of Chicago. He has extensive field experience with gangs, including interviewing gang members, gang leaders, and gang victims. He has taught in the field of criminal justice and sociology. He serves as the Executive Director of the National Gang Crime Research Center. He was the author of the first full textbook on gangs (An Introduction to Gangs) and other books and monographs on gang topics. His research interests include how to deal with gang problems in probation/parole, juvenile corrections, adult corrections, and gang threat analysis — examining the gang as a unit of social organization.

Kevin Kreuser

            Kevin Kreuser, B.S., Psychology, Loyola University of Chicago; 17 years as a Probation Officer — Cook County, ILL. Juvenile Court.

Thaddeus J. May, J.D.

            Thaddeus J. May is an AUSA currently assigned to the Violent Crimes Section (working on gang and drug-related cases) of the United States Attorney’s Office for the District of Utah. He previously served as a Deputy District Attorney at the Salt Lake County District Attorney’s Office and a Deputy County Attorney at the Utah County Attorney’s Office. He earned his J.D. from the University of Utah and has extensive homicide and special victims prosecution experience.

Sgt. Christopher Moore

            Christopher Moore started at Joliet PD in 2003. In 2006 he was assigned to the tactical unit, where the unit’s primary focus was on gangs, guns and drugs. In 2009 he was promoted to the rank of Sergeant and Detective Sergeant in 2015 where he is currently assigned to the Criminal Intelligence Section. Sgt. Moore holds a Bachelor’s degree in Law Enforcement and Justice Administration from Western Illinois University, graduated from Northwestern University’s Supervision of Police Personnel class in 2011 and graduated from Northwestern University’s School of Police Staff and Command in 2015. Sgt. Moore is a member of the Midwest Gang Investigator Association and has attended NGCRC conferences since 2015. Sgt. Moore is responsible for identifying and tracking gang members and trends in the Joliet area, testifying as an expert witness as a gang expert, and assisting outside agencies in their investigations by providing reports and intelligence information. Sgt. Moore is a Department trainer on gangs as well as providing public service to outside organizations (schools, libraries, hospitals, community meetings, etc).

Robert Mulvaney, M.A.

           Robert Mulvaney has an extensive background in the Criminal Justice field including positions as a correctional officer, prison counselor, parole officer and STG specialist. In addition he has taught numerous Criminal Justice courses as an adjunct faculty member. He has been a member/coordinator of various research and prevention organizations and has conducted Gang/STG related training at various levels of local, state and federal government. He has also written articles for professional correctional organizations as well as the Journal of Gang Research.

Todd D. Negola, Psy.D.

            Todd D. Negola is a clinical/forensic psychologist who has worked with the National Gang Crime Research Center for over 20 years. He also serves as the Acting President of the Pennsylvania Gang Investigator’s Association. He has been studying and researching gangs and criminal mindedness for over 25 years. He has worked with and studied juvenile and adult criminal populations, in and out of prison, both at the state and federal levels. He conducts training and consults with federal, state and local law enforcement as well as public and private educational institutions, community programs and mental health personnel. He has published research in the Journal of Gang Research, Addiction and Research, The Journal and co-authored a chapter in the book, Treating the Juvenile Offender. He has multiple television appearances, participated in nationally syndicated and local radio programs, teaches college courses and has consulted in gang documentaries. Lastly, he is a recipient of the Frederic Milton Thrasher Award for Superior Research and Exemplary Scholarship in the Psychology of Gangs and is a Reviewing Editor for the National Gang Crime Research Center’s Journal of Gang Research.

Steve Nelson, J.D., Ph.D.

            Steve Nelson is an Assistant United States Attorney and currently serves as the Anti-Gang Coordinator for the United States Attorney’s Office for the District of Utah. He earned his J.D. and Ph.D. in Political Science from the University of Utah and serves as an Associate Instructor of Political Science at the University of Utah, and has taught over 2,000 undergraduate and graduate students in his teaching career. 

Sara Palmer

            Sara Palmer has been an analyst at the National Center for Missing & Exploited Children (NCMEC) for more than 8 years. Currently assigned to the Child Sex Trafficking Team (CSTT), she has helped promote several initiatives at the Center focusing on gang affiliation as an endangerment for victimization in missing and exploited child cases. She has led gang specific trainings for various task forces and police departments, and is a member of the International Outlaw Motorcycle Gang Investigators Association (IOMGIA), Mid-Atlantic Regional Gang Investigators Network (MARGIN), and the Virginia Gang Investigators Association (VGIA).

Lt. Vincent Perillo

            Lt. Vincent Perillo has worked for the Will County Sheriff’s Office since 2004. Started gang documentation in 2006, and became the Will County Adult Detention Facility’s first intelligence Unit Supervisor in 2011. Member of the Midwest Cycle Intelligence Organization (MCIO) since 2012. Member of the International Outlaw Motorcycle Gang Investigators Association (IOMGIA) in 2017. Conducted street gang training since 2012 and motorcycle club training since 2017. Presented at Midwest Gang Investigator’s Association (MGIA), Police Training Institute (PTI), National Gang Crime Research Center (NGCRC), several schools in Will County, St. Joseph’s Hospital staff in Joliet, and all new Will County Patrol Deputies since 2015.

Stacia N. Pottorff

            Stacia N. Pottorff, earned her Bachelors of Science degree with honors in Criminal Justice at the University of Central Missouri. She is currently a graduate student working on her Master’s degree in Criminal Justice at the University of Central Missouri. She is employed as an analyst at the Missouri State Highway Patrol. She was a recipient of several UCM Undergraduate Research Grants.

Jean Prisco

            Jean Prisco is the Deputy Bureau Chief of the Gang, Firearms and Narcotics Bureau in the Westchester County District Attorney’s Office, and has extensive experience in prosecuting violent crimes relating to street gangs. She has worked in the Westchester County District Attorney’s Office for over 16 years.

John J. Rodriguez, Ph.D.

            Dr. Rodriguez’s interests in academia include but are not limited to gangs, transnationalism, immigration, police issues, and Latinos in the criminal justice system. However, I am most interested in gangs, security threat groups and extremist groups. I have been studying, researching, and writing on these groups and their activity for over almost two decades. I have published and presented much of this work in the U.S. and abroad. I have also consulted and testified as an expert witness in multiple cases, which include deportation of gang members, organized crime, and various homicide cases.

Randilynn Rodriguez

            Randilynn Rodriguez is a paralegal and gang specialist. She recently completed the NGCRC ‘s 2020 Gang Specialist Training Program and she is a researcher is known for internet investigations, monitoring prison gang activities, and validating gang members through the department of corrections and detention centers. She works closely with county attorneys, Sheriff’s department security, and other gang investigators throughout the United States.

Mitchel P. Roth, Ph.D.

            Mitchel P. Roth, Ph.D. is Professor of Criminal Justice and Criminology at Sam Houston State University. His areas of interest include global organized crime and gangs, history of crime and punishment, mass murder and serial homicide. His many books include, Power on the Inside: A Global History of Prison Gangs (2020), Fire in the Big House: The Worst Prison Disaster in American History (2019), The Illicit Economy in Turkey (with Mahmut Cengiz)(2019), An Eye for An Eye: A Global History of Crime and Punishment (2015) and Convict Cowboys: The Untold History of the Texas Prison Rodeo (2016). His books have been translated into Chinese, Persian, Croatian and Turkish. He has been an instructor at the Zhejiang Police College from 2009 to 2019 and at the International Law Enforcement Academy (Roswell) from 2001-2009. In 2020, Dr. Roth was awarded the Frederic Milton Thrasher Award for Excellence in Gang Research.

Tom Schneider

            Tom Schneider retired from the Cook County Illinois Juvenile Probation Department in January of 2013 after forty years on the street as a juvenile probation officer. He holds a BA degree from the University of Illinois Chicago in the Administration of Criminal Justice and a M.S. degree from Chicago State University in Correction and Criminal Justice. He is currently conducting Anger Management/Violence Prevention groups for juvenile probationers and is the Director of Project Lifeline, the Cook County Juvenile Court scholarship program.

Detective Tyler Sutherland

            Detective Tyler Sutherland has been a police officer for the Battle Creek Police Department for over 13 years. He is currently assigned to the Battle Creek Police Detective Bureau, and was previously assigned to the Gang Suppression Unit for over 6 years. As a member of the Gang Unit, Detective Sutherland was directly involved as the lead investigator in a number of gang, and violent crime, cases that resulted in courtroom trials and jury convictions. While participating in all aspects of gang investigations and court room prosecution, Detective Sutherland has been qualified as, and testified as, a gang expert in the U.S. District court and Michigan State Circuit and District Court, more than 15 times in the last five years. One of these gang cases, was the first criminal gang enhancement jury conviction in the State of Michigan since the state statute was created. He is also recognized in circuit and district court as an expert in Drug Trafficking and Drug Investigations. A Defensive Tactics Instructor, and Patrol Training Officer, he has also received Instructor certification for Active Shooter Response for Civilians, through the Advanced Law Enforcement Rapid Response Training Center at Texas State University.

Philip J. Swift, Ph.D.

            Mr. Swift, Ph.D. is a husband, father, and a 22-year law enforcement veteran. Since April of 2018, Mr. Swift has served as the Fort Worth City Marshal. Prior to becoming the City Marshal, Mr. Swift rose to the rank of Captain in the Denver Sheriff Department. During his law enforcement career he served as a City Marshal, Director of Security, Watch Commander, FTO Commander, Gang/Intelligence Unit Commander, K-9 Unit Commander, Internal Affairs Bureau Investigator, Conduct Review Office Sergeant, Emergency Response Unit member and Sergeant, Court Services Sergeant, and as Adjunct Training Academy Instructor. Mr. Swift holds a MS and Ph.D. in Forensic Psychology from Walden University and has also received dual MBA’s and a BS in Criminal Justice from American International University. Mr. Swift is a published author (Gangs, Outlaw Bikers, Organized Crime & Extremists; Looseleaf Law Publishing), a contributor to Inside Police Psychology:, and is frequently asked to speak locally and nationally on topics related to gang, criminal, inmate, and law enforcement culture, forensic psychology, and jail gang investigations.

Michael Tabarrok

            Michael has been working in criminal law for 20 years now, 17 as a prosecutor in Georgia and Guam. Federal liaison for PSN cases with the U.S. Attorney’s Office for the Middle District of Georgia. He has asset forfeiture experience of 17 years, and having forfeited in excess of $15 million en toto. Currently prosecuting gangs, drugs, and murders/death penalty cases in Albany, Georgia.

Veronica L. Williams, MS, LCDC

            As Supervisor of the Gang Renouncement and Dissociation (G.R.A.D.) process at the O.B. Ellis Unit and Estelle Unit in Huntsville, Texas from 2012 - 2017 before retirement, Ms. Williams not only accomplished the acquisition of her Master of Science degree while working with the gang renunciation program for males, but was instrumental in bringing up the first female pre-release program in Texas prisons for segregated inmates at he Lane Murray Unit in Gatesville, Texas. She is a noted pioneer, creating adjunct processes for continued monitoring of inmates once they complete their renouncement process and are housed n the general population for the completion of their designated sentencing. She is also a Re-Entry Specialist aiding the newly released make smooth transitions to their designated communities. Ms. Williams serves as the Executive Director of Al-Fredricks Return Inc. Consulting and In the Company of My Sisters In-Prison Mentoring for female offenders as well as, Re-Entry Mentoring once the ladies return home. She is a trainer, workshop presenter, author and consultant to prisons wishing to start-up or re-vamp their own Gang Renouncement programs or In-Prison Mentoring. In 2020, Ms. Williams was the recipient of the Frederic Milton Thrasher Award for Superior Accomplishments in Prison-Based Gang Renunciation programming.

Stewart M. Young, J.D.

            Stewart M. Young is an Assistant United States Attorney and currently serves as Senior Litigation Counsel for the U.S. Attorney’s Office for the District of Utah. He previously served in the U.S. Attorney’s Office for the Southern District of California. He earned his J.D. from Stanford University, clerked for judges on the 9th Circuit Court of Appeals and the Federal District Court for the District of Utah, and was a full-time faculty member at the University of Wyoming College of Law.