Criminal investigations
We examine evidence and conflicting accounts in criminal-defense matters directed by counsel. Our work includes interviews, gathering records, and documenting findings for legal review.
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Because details matter.
Criminal, workplace, and workers’ compensation investigations in Placer County.
Trident Investigations LLC handles criminal, workplace, and workers’ compensation investigations. We conduct interviews, gather documentary evidence, and prepare investigative reports for legal, employment, and claims decisions. Owner and Qualified Manager Andrew Palmore leads our investigative team. His background includes service with the Roseville Police Department from 2007–2024, including supervision of major crimes investigations.
Trident Investigations LLC

Owner & Qualified Manager
Andrew is Trident’s owner and Qualified Manager. He oversees the firm’s investigators and the work they carry out, with responsibility for case management, quality control, compliance, and client relations. Since 2024, he has led criminal defense, workplace, and workers’ compensation investigations for attorneys, insurers, and corporate organizations.
His casework includes AOE/COE investigations, claimant, witness, and employer interviews, and the collection of documentary evidence. He prepares clear, defensible investigative reports for liability, HR, and legal decisions, connecting detailed fieldwork with the questions clients need answered.
Andrew served with the Roseville Police Department from 2007–2024, progressing from Patrol Officer/Vice-Narcotics Detective to Patrol Sergeant/Major Crimes Investigations Sergeant and Bomb Squad Commander. He led officers, detectives, and analysts through complex investigations, covert operations, major incidents, and interagency coordination. His earlier detective work included surveillance, digital forensics, intelligence gathering, and work with informants; his command responsibilities included threat assessments and high-risk operations.
His qualifications include certified training as a Background, Homicide, Internal Affairs, and Officer Involved Shooting Investigator. He is a court-certified expert in Placer, Sacramento, El Dorado, and Yolo Counties, with extensive experience in financial crimes, asset forfeiture, and case determination. He holds a Master of Science in Criminal Justice and a Bachelor of Science in Criminal Justice, both earned summa cum laude, and is a graduate of the Sherman Block Supervisory Leadership Institute.

Investigator
Jeremy joined Trident Investigations in September 2026, bringing 19 years of public-safety service with the Roseville Police Department, including more than 16 years as a sworn police officer. All investigative services are provided under Trident Investigations LLC’s California PI License No. 189778, under the supervision of Owner and Qualified Manager Andrew Palmore.
His experience includes three years with Roseville’s Vice Narcotics Enforcement Team and five years with the Placer County Special Investigations Unit, working multi-agency narcotics, human-trafficking, gang, and other complex investigations. He authored search-warrant affidavits and asset-seizure documents, including work on a multijurisdictional grow-house investigation referred to the FBI.
Jeremy’s surveillance background spans stationary, mobile, and multi-day operations, supported by covert recording equipment, electronic investigative methods, public records, and online research. His interviewing approach emphasizes rapport and careful documentation, with experience developing confidential informants and obtaining signed statements.
He regularly testified in criminal proceedings, including expert testimony in drug abuse recognition and sex trafficking. For attorneys and insurance professionals, he brings experience locating subjects, examining conflicting accounts, documenting evidence, and preparing clear investigative reports.
Trident Investigations LLC — California PI License No. 189778. Andrew Palmore, Qualified Manager.
Call or email with a brief description of the situation, the location, and any deadline. We’ll discuss whether we can help and agree on what the investigation will cover before work begins.
Please leave sensitive case details and attachments out of your first message. We’ll explain what information we need and how to provide it.
Trident Investigations LLC / Our investigative team
Our investigators carry out casework under Andrew Palmore’s oversight. Before work begins, we’ll discuss who will be involved and what the investigation will cover.
Yes. Briefly explain the situation and what you need help establishing. You don’t need to know which service category it falls under before contacting us.
Contact us with the location and timing of the work. We’ll confirm whether we can take the case before you make arrangements.