A dynamic college professor, expert witness, private investigator, international police trainer, and former SWAT team officer. A U.S. Department of Justice and U.S. Department of Defense subject matter expert in policing. The only American college professor to serve in Iraq and Afghanistan war zones. A proven record of designing and implementing police training programs in developing nations and emerging democracies. A criminal justice practitioner with 25 years of “boots on the ground” experience as a college professor, expert witness, international police trainer, private investigator, guardian ad litem, and senior tactical police officer.
Expert Analysis & Reports
Professor Gilbertson provides expert witness analysis and case reports in the following areas:
“We used Greg for a criminal trial in which self-defense was the primary issue. During this process, Greg was accessible, prompt, thorough and able to explain the necessary components of “use of force” in a manner the jury could understand. Greg’s testimony was an integral factor in the jury arriving at not guilty verdict.” Michael Blanchard, Attorney, New London, CT
Expert Witness in Police Misconduct, False Arrest & Excessive Force / Police Brutality with Experts.com, ALMExperts.com, & Washington Defender Association
International Police Trainer, Mentor/NATO Liaison – Afghan National Police Academy
International Police Trainer, Baghdad Police College & Basrah Training College
Criminal Justice Professor (tenured), Centralia College, Centralia, WA (18 years)
Senior Lecturer, Criminal Justice, Saint Martin’s University, Lacey, WA (11 years)
7 Commendationsfor Meritorious Service, Atlanta & LaGrange Police Department(s), GA
Czech Republic Military Police Medal, Basrah Training College, Basrah, Iraq
Atlanta Police Academy Graduate, 93% Academic Average
Distinguished Military Graduate, U.S. Army Officer Candidate School, Fort Benning, GA
Professor & Director, Criminal Justice Program, Centralia College, Centralia, WA 9/99–present
Designed, developed, and managed the instruction of two associate degree programs in criminal justice and a certificate program in crime scene investigations. Authored and developed 20 individual criminal justice and crime scene investigations courses.
Adjunct Professor, Criminal Justice, Brandman University, Lacey, WA 8/10–12/16
Instructed a wide variety of criminal justice courses to Bachelor’s degree seeking students at Brandman University, a division of the Chapman University System (CA).
International Police Trainer, Kabul, Afghanistan (MPRI / Engility) 11/08–12/09
Senior Mentor and NATO Liaison to commanding general of Afghan National Police Academy. Advised commander on all aspects of academy operations. Directly responsible for 50 million dollars in academy renovations. Collaborated with NATO and the Ministry of Interior in developing policy and doctrine manual for Afghan National Police.
Expert Witness & Private Investigator, Gilbertson Investigations, Olympia, WA 8/02–present
Responsible for all operational aspects of private investigations agency specializing in expert witness incidents involving police excessive force, false arrest, and self-defense casework.
Senior Lecturer, Criminal Justice, Saint Martin’s University, Lacey, WA 5/97–11/08
Served as senior instructor in the criminal justice department of private, faith-based university to students at Joint Base Lewis-McChord extension campuses for 11 years.
Supervised instruction of 500 Iraqi police cadets as Deputy Director of United Kingdom’s Basrah Training College. Supervised police trainers from the United Kingdom, United States, and Denmark. Designed and developed curriculum for the Baghdad Police College.
Security Officer, Kent & White River School District(s), Kent & Buckley, WA 8/96–08/99
Developed and managed a school district security program. Investigated criminal acts committed on district property. Investigated student complaints against faculty and staff.
Guardian ad Litem, Pierce County Superior Court, Tacoma, WA 9/97–9/99
Conducted wide ranging investigations into allegations of misconduct and child abuse made during dissolution and child custody proceedings for the Pierce County Superior Court.
SWAT Officer, Superior Court Investigator, Senior Patrolman, LaGrange P.D. GA 2/91–4/96
Completed 3000 hours of SWAT tactical police training and operational experience. Served as Superior Court Investigator, Stakeout Squad Detective, and Senior Police Patrolman.
Police Officer, Atlanta Police Department, Atlanta, GA 8/88–02/91
Primary law enforcement focus on public housing, street-level crime, narcotics enforcement, and domestic violence intervention with major metropolitan law enforcement agency.
Master’s degree, Justice Administration, Columbus State University, Columbus, GA
Bachelor’s degree, History, University of Washington, Seattle, WA
Law Enforcement Training
US Army SWAT School
SWAT Submachine Gun
Police Tactical Rifle
Police Tactical Shotgun
VIP Executive Protection
Interviews & Interrogations
Mediation & Dispute Resolution
Expert Analysis Provided to Television, Radio,
Internet News, and Newspapers I have been quoted, interviewed, or appeared as an expert witness in police practices or criminal investigations for the following television, radio, and internet or news articles:
1. “Law and Order: You the Jury”. Appeared in television program as an expert witness for attorney Casey Garrett, Houston, TX, June 2016.
2. Alternet.org: “What’s the Best Way to Weed Out Potential Killer Cops?” by David Krajicek, May 15, 2016
3. USA TODAY – Wisconsin: “The unraveling of a murder case.” By John Ferak, October 15, 2015
4. “Celebrity Court” Radio Interview with host/attorney Elizabeth Kelly regarding NYPD false arrest of tennis star James Blake, September 15, 2015
5. Alternet.org: “Cop ‘Roid Rage: Are Steroids Behind the Worst Police Abuses?” by David Krajicek, August 19, 2015
6. Newsmax TV: “The Hard Line with Ed Berliner”. Professor Gregory Gilbertson discusses Louisiana theatre shooting with former New York City police commissioner Bernard Kerik, July 26, 2015
7. The Olympian: “Olympia police shooting sparks another push for citizen review.” June 17, 2015
8. Newsmax TV: The Hard Line with John Cardillo. “Professor Gregory G. Gilbertson discuss Texas police pulling gun on unarmed teens.” June 9, 2015
9. Alternet.org: “If You Run You’re Done: Why Cops Go Berserk When People Run from Them” by David Krajicek, May 21, 2015
10. Newsmax TV: “The Hard Line with Ed Berliner”. See Professor Gregory Gilbertson's interview regarding police brutality and excessive force. April 22, 2015
11. USA TODAY – Wisconsin: “Flaws surface in Beck Murder Investigation” By John Ferak, April 22, 2015
12. San Bernardino Sun: “Police experts weigh in on San Bernardino County deputies video.” By Greg Cappis, April 10, 2015
13. The Washington Post: “When can police use lethal force against a fleeing suspect?” April 9, 2015
Expert Witness Casework Ihave servedasanexpertwitness or expert consultant inthefollowing criminal defense and civil litigation casework:
State of Connecticut vs. Matthew Hanson, Michael Blanchard, J.D. and Bryan Fiengo, JD, attorneys for the defendant. (Trial Testimony)
Sherri Black, individually and as Personal Representative for Estate of Thomas Anthony Black, Plaintiff vs. United States of America, et al, U.S. District Court Case No. C135415RBL, Thomas Olmstead, J.D., attorney for the Plaintiff.
Thomas P. Culver, Plaintiff vs. Shannon Armstrong and Bill Brenner, defendants, in the United States District court for the District of Wyoming Civil Action No. 14-CV-0012-J, Philip Abromats, J.D. & Letitia Abromats, J.D., attorneys for the Plaintiff.
Claim for damages on behalf of Daryl and Stephanie Mendenhall against Pierce County Sheriff’s Office regarding Unlawful Search & Seizure, False Arrest, False Imprisonment, and Excessive Use of Force. Jesse Froehling, J.D. attorney for the Plaintiff, Puyallup, Washington.
Chetan Patel, Plaintiff vs. Roger Hall, Stacy Bubla, Robert Wilson, Shannon Armstrong, Brent Godfrey, Julie Faber, Steve Shay, and John Frentheway: United States District Court for the District of Wyoming, Civil Action No. 14-CV-69-F, Philip Abromats, J.D. & Letitia Abromats, J.D., attorneys for the Plaintiff.
State of Washington vs. Julius G. Waldkirch, Case No. 14-1-00355-7, Disorderly Conduct, RCW 9A.84.030, Assault 3rd Degree Felony, RCW 9A.36.031, 01/21/2014. Snohomish County Superior Court, Walter Peale, J.D., attorney for the Defendant.
Sheldon L. Soule, Plaintiff, vs. City of Edmonds (WA), Case No. 14-CV-1221, Excessive Force, Jeff Caffee, J.D. attorney for the Plaintiff. (U.S. District Court, Seattle, Trial Testimony on Police Excessive Force, Judge Thomas Zilly, Presiding)
Perry A. Gravelle vs. Special Agent Judy Kiander and Special Sam Huynh, U. S. Social Security Administration and the U.S. Department of Justice and the U. S. Bureau of Prisons, Administrative Tort Claim for Injury, Number TRT-WXR-2014-01271, Excessive Force, Philip Mahoney, J.D. attorney for the Plaintiff. (Deposition)
Alexandro Alvarado-Young and Angela Alvarado-Young vs. State of Washington Department of Social and Health Services (DSHS), Child Protective Services (CPS), and Tacoma Police Department, Incident Number 130930877, Illegal Search & Seizure, False Arrest and False Imprisonment, Gary Preble, J.D. attorney for the Plaintiff.
The State of Washington vs. Daniel G. Goodwin, Mason County, WA, Sheriff’s Office Cause Number 15- 1-00067-5, March 5, 2015, Drive-by Shooting, RCW 41.010, Bruce Finlay, J.D., attorney for the defendant.
Ignacio Martinez and Charlotte Martinez vs. Paul Mares, Robert Gonzales, Blair Jackson, in their individual capacities and the City of Raton, NM, Civil Number 1:14-cv-00041 WJ-KBM, Excessive Force, James Lyle, J.D., attorney for the Respondent.
The State of Kansas (Plaintiff) vs. Paul S. Davis (Defendant), District Court Case Number 03CR344, Rape of a Child & Indecent Liberties, Paul S. Davis non-attorney client. (Appeal Testimony)
The State of Ohio vs. Melanie A. Ogle, the Court of Common Pleas, Hocking County, OH, Case Number 09CR0125, Assault of a Peace Officer and Resisting Arrest, Melanie A. Ogle, non-attorney client.
Shimeka Graham, Plaintiff vs. City of North Las Vegas, United States District Court for the District of Nevada Case No.: 2:13-cv-01815-KJD-VCF, Stephanie Cooper, J.D., attorney for the Plaintiff.
Steven Curtis Duckworth, Plaintiff, vs. Pierce County, WA; Pierce County Sheriff’s Department; and Pierce County Sheriff’s Deputy Robert Carpenter, Cause Number 2:14-cv-01359-RAJ, Excessive Force, False Arrest, and False Imprisonment, Michael Kelly, J.D., attorney for the Plaintiff. (Deposition)
Amanda Speed, Plaintiff, vs. City of Renton, WA, Renton Police Department; Renton Police Officers Jason Hudson and Tanuj Soni, Cause Number 2:14-cv-01655 TSZ, Excessive Force, False Arrest, False Imprisonment, Michael Kelly, J.D., attorney for the Plaintiff.
State of Oregon vs. Carol Humphrey, Attempted Assault 2nd Degree (3 counts), Recklessly Endangering another Person (4 counts), Menacing (3 counts), Clatsop County Court Number 14CR15914, Stephen Houze, J.D. attorney for the Defendant.
State of Connecticut vs. Joesenier Ruiz-Pacheco, Docket Number DBDCR12-0145504S, Attempted Murder (2 counts), Assault 1 (2 counts), Conspiracy to Commit Assault 1 (2 counts) – Self-Defense, Vickie Hutchinson, J.D. attorney for the Defendant. (Trial Testimony)
Lawrence Green vs. City of Bremerton, City of Bremerton Civil Service Commission appeal of police officer Notice of Discipline and Termination, Jean Jorgensen, J.D., attorney for the Plaintiff.
Ronald Edward Douglas, Plaintiff vs. County of Riverside, et al., Defendants, in the United States District Court for the Central District of California, Case Number 14-CV-02027-MMM, Michael Reiter, J.D., attorney for the Plaintiff. (Deposition)
Kelly Ann Potis, Plaintiff vs. Pierce County, et al. Defendants, in the United States District Court for the Western District of Washington at Tacoma, Case Number 2:14-cv-00826-RBL, Failure to Render Aid by a Law Enforcement Officer and Abuse of Authority by a Law Enforcement Officer, Michael Kelly, J.D. attorney for the Plaintiff. (Deposition)
Kenneth E. George, Plaintiff vs. Darold Newman, Defendant, in the United States District Court for the District of Wyoming, Case Number 15-CV-39-S, unlawful assault by a police officer, Philip Abromats, J.D. & Letitia Abromats, J.D., attorneys for the Plaintiff. (Deposition)
The State of Wyoming, Plaintiff vs. Jeffrey Lynn Darnall, Defendant. In the Circuit Court of Riverton, Fremont County, Wyoming, Ninth Judicial District, Docket Number CR-2015-0316, Philip Abromats, J.D. & Letitia Abromats, J.D., attorneys for the Plaintiff.
Armando Nieves Martinez et al, Plaintiffs vs. The United States of America, Defendant, (Department of Homeland Security, Bureau of Customs and Border Protection) In the United States District Court for the District of Arizona, CV-13-955-TUC-LAB, Jesus Romo Vejar, J.D., attorney for the Plaintiff
Mark James Mischel by Thurston County Sheriff’s Office Deputy Sheriff’s Christopher Packard-1P85, Deputy Brian Cassidy-1S23, and Deputy Tyson Shenkel-1P96 Lacey, WA, 98503, 07/25/2014, Eric Fong, J.D. attorney for the Plaintiff.
Tracy Knight, Administratrix for the Estate of Lawrence Graham (III), Plaintiff vs. City of Fayetteville and Denton Little, United States District Court for the Eastern District of North Carolina, Western Division, Civil Action No. 5:15-CV-208-FL, Allen Rogers, J.D. and Coy Brewer, J.D., attorneys for the Plaintiff. (Deposition)
Jose German, Plaintiff vs. Chris Roberts, et al, Defendant, U.S. District Court for Western District of Washington at Tacoma, No. 3:15-CV-05237BHS-DWC, Thomas Olmstead, J.D., attorney for the Plaintiff.
State of Washington, Plaintiff vs. Alonzo Price-Holt,Defendant, Superior Court of Washington, in the County of King, No. 15-1-04606-0 SEA, Joshua Andrews, J.D., attorney for the Defendant.
29. Jesse Hagopian, Plaintiff vs. Jane Doe, The Seattle Police Department, and the City of Seattle and Kathleen O’Toole, Defendants, United States District Court, Western District of Washington at Seattle, Number 2:15-cv-1055-MJP, James Bible, J.D., attorney for the Plaintiff. 30. Gary Hanson & Donna Hanson v. City of Renton Police Officer Steven Rice,
Identification Number 10384, Case Number 2:15-cv-0765 United States
Western District Court for the State of Washington, Sumeer Singla, J.D.,
attorney for the Defendant. (Deposition)
Superior Court of Washington for King County v. Anthony Salanoa Ili, Assault 3rd Degree, Case Number 15-1-05244 KNT, Matthew Sanders, J.D., attorney for the Defendant. (Trial Testimony)
32. Jane Doe vs. City of Sacramento and City of Sacramento Police Department,
Sacramento County Superior Court Case Number 34-2013-00151805, Eric Ratinoff
attorney for the Plaintiff.
33. Willie McCall, Administrator for the Estate of Sandy Jamel McCall, Plaintiff v. Hoke
County Deputy Samuel Morant; Sheriff Hubert Peterkin, individually and in his official
capacity as the Sheriff of Hoke County, Defendants, Superior Court Division File No.
16-CV- 000024, James Locus, J.D., attorney for the Plaintiff.
34. The State of California vs. Michael D. Smith, Case Number 16013940, Battery Upon
an Officer and Emergency Personnel, Jeff Adachi, J.D., attorney for the Defendant.
35. Maricopa County, AZ vs. Thandika Singleton, Case No. CR2010-007912-004, Kenneth
Countryman, J.D., attorney for the Plaintiff.
36. Gerry Pickens vs. City of Orting, WA and William Drake, Police Chief, et. al., No. 3:15-
cv-05529-RBL, Beverly Grant, J.D., attorney for the Plaintiff. (Deposition)
37. Dorothy Gaylor and Blayne Cannon, individually as successors in interest of Aeric
Graye Cannon, deceased, Plaintiffs vs. Deputy Trevor D. Morin, Deputy Rob W.
Stewart, and Deputy Sean C. Denham, Riverside County Sheriff’s Department, File
Number L151500089, Wrongful Death, Intentional Infliction of Emotional Distress,
Negligence, Daniel R. Shapiro, J.D., attorney for the Plaintiffs
38. Andrew Harris Roufa v. King County Department of Adult and Juvenile Detention, et al,
Incident Number 12-672, Ms. Leah Altaras, J.D., attorney for the Plaintiff.
39. Wylaiphan Kampradith vs. King County Sheriff’s Office, et al, Complaint for Damages,
Susan Machler, J.D., attorney for the Plaintiff.
40. Boyd v. City of Tulsa, et al, (CJ-2016-1510), Spencer Bryan, J.D., attorney for the
41. The Estate of Michael Borquin, by and through Judy Burch, vs. Pierce County, a
municipal corporation, Deputy Chad Helligso in his official capacity as a Pierce County
Sheriff’s Deputy and in his individual capacity, Defendants, United States District Court,
Western District of Washington, at Tacoma, No. 3:16-cv-05141-BHS, Jesse Froehling,
J.D., attorney for the Plaintiff.
42. The Superior Court of Washington for King County, The State of Washington, Plaintiff,
v. Marek J. Michalski, Defendant, Assault in the Second Degree, RCW 9A.36.021(1)(c),
No. 16-1-02745-4 SEA, Micol Sirkin, J.D., attorney for the Defendant.
43. The Estate of Marlon Horton vs. City of Chicago et al, 13 CV 6865., Jeffrey Granich,
attorney for the Plaintiff.
44. Guy Robert Soderlind Jr. vs. Ursula J. Haigh and Terence Haigh, Christine Barton,
Cynthia Hart, the City of Burien, Washington and King County Sheriff’s Deputy’s Jon
Holland, Erin Garza, and John Mansanarez, No. 2:15-cv-01655-RSL, Mark Olson,
attorney for the Plaintiff.
45. Robert J. Frantom vs. State of Washington, Washington State Patrol, Kitsap County,
and Kitsap County Sheriff’s Office, et al, No. 15-2-13409-0, Thomas Olmstead, J.D.,
attorney for the Plaintiff.
46. Stephanie Marinoff vs. Kent Police Department (WA) & Valley SWAT Team, Claim for
Damages, Jesse Froehling, J.D., attorney for the Plaintiff