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Direct line: (239) 571-1840 · GregoryGilbertson@proton.me
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Announcements from Gilbertson Investigations Inc. and Professor Gregory Gilbertson (Ret.), and the firm's official channels on YouTube, Rumble, Reddit and Facebook.
Three experts. Over 110 years.
Professor Gregory Gilbertson (Ret.), FBI Special Agent Christopher Holland (Ret.), and Sheriff Robert Snaza consult with attorneys nationwide regarding police practices and procedures, use of force, false arrest, police misconduct, criminal, and self-defense casework.
CEO & OwnerThirty-eight years in four uniforms: street cop, soldier, professor, investigator. More than 220 matters in 42 states and D.C. since 2014.
Full biography
ConsultantMore than thirty-five years in public safety: Sheriff of Lewis County, Washington, since his election in 2015, and six years as a commissioner of the state board that sets peace-officer training standards.
Full profile
ConsultantForty years of investigative casework, from patrolman in St. Louis County to the FBI in Chicago, and on to task forces in Afghanistan and Liberia. His work on the Idaho student murders is examined in Broken Plea, the New York Times bestseller by Christopher Whitcomb.
Full profileThe Hon. Richard A. Jones United States District Judge“Mr. Gilbertson’s qualifications demonstrate extensive experience in policing. His expansive work as a police officer in Georgia, with assignments as a SWAT team officer, juvenile court investigator, school resource officer, stakeout squad officer, senior patrolman, and patrolman; then a career as a tenured college professor and university lecturer teaching criminal justice courses to degree-seeking students at colleges and universities, and as a licensed private investigator conducting felony pretrial investigations for attorneys in Washington State in dozens of criminal cases, makes him unique in the field of police expert witnesses. The Court finds that, based on his experience, Mr. Gilbertson’s testimony can be expected to have a reliable basis in knowledge and experience of police practices.”
New on this site.
The sexual abuse of children by teachers, coaches and staff
A page in Professor Gilbertson's own words for parents and attorneys in cases of sexual abuse or grooming by a teacher, professor, coach or counselor.
Use of force, federal agency cases and juvenile defense
Three new practice pages: use of force expert witness work, cases involving federal law enforcement agencies, and juvenile defense.
Use of force expert witnessFederal agency casesJuvenile defense
Six new practice pages
Wrongful death, homicide defense, sheriff's office cases, sexual misconduct, vetting a police practices expert, and deposing police officers.
Wrongful deathHomicide defenseSheriff's office casesSexual misconductVetting an expertDeposing officers
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Attorney inquiries are answered directly. If a case presents a conflict, you will hear it immediately.
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You will hear back directly. If the matter is urgent, call (239) 571-1840.
Conflicts are checked before any substantive discussion. Please do not send privileged material with a first inquiry; after retention the record is exchanged on physical media. Gregory consults for attorneys and their staff only, and does not provide legal advice or attorney referrals to individuals.

