Criminal Defense Investigations
Discovery review, witness development, interviews, scene follow-up, timeline analysis, and investigative support for defense counsel.
TRUTH MATTERS
INVESTIGATIVE
SOLUTIONS YOU CAN TRUST
Professional private investigation services for attorneys, businesses, and private clients throughout Southern California.
GET STARTED →COACHELLA VALLEY | CALIFORNIA
◉SURVEILLANCE
▤BACKGROUND
INVESTIGATIONS
INVESTIGATIONS
⌖LOCATES &
SKIP TRACING
SKIP TRACING
▣DIGITAL
INVESTIGATIONS
INVESTIGATIONS
⚖ATTORNEY
SUPPORT
SUPPORT
◇SECURITY
CONSULTATIONS
CONSULTATIONS
EXPERIENCE. INTEGRITY. RESULTS.
Grissom Group Investigations provides reliable, discreet, and results-driven investigative services. With a law-enforcement background and extensive investigative experience, we deliver carefully documented information that helps clients and counsel make informed decisions.
ABOUT US
A HIGHER STANDARD
IN INVESTIGATIONS
Grissom Group Investigations was founded on the principles of integrity, discretion, professionalism, and thorough investigative work.
Steven Grissom is a retired California law-enforcement professional with 18 years of experience, including patrol, field training, use-of-force instruction, and detective assignments involving homicide, domestic violence, child abuse, and sexual abuse investigations.
CAPI #189922California Private Investigator
18 YEARSLaw Enforcement Experience
SOUTHERN CALIFORNIAPrimary Service Area
Surveillance
Discreet field surveillance with chronological reporting, photography, and video documentation when appropriate.
Background Investigations
Lawful research involving individuals, businesses, public records, litigation history, and relevant information.
Witness Interviews & Locates
Witness location, professional interviewing, statement development, and detailed documentation.
Litigation Support
Case organization, records review, lead follow-up, evidence development, and trial-preparation support.
Special Investigations
Custom investigative assignments tailored to attorneys, businesses, and private clients.
ATTORNEY-FOCUSED INVESTIGATIONS
A TRUSTED RESOURCE FOR THE LEGAL COMMUNITY.
GGI understands deadlines, discovery, witness credibility, documentation, and the importance of producing clear investigative work product for counsel.
- Discovery and case-file review
- Witness identification, location, and interviews
- Scene investigation and follow-up
- Surveillance and documentation
- Background and public-record research
- Detailed investigative reports
- Trial and litigation support
GGI
GRISSOM GROUP INVESTIGATIONS
CAPI #189922
CLIENT REVIEWS
TRUST BUILT ON PROFESSIONAL SERVICE.
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CONFIDENTIAL CONSULTATION
LET'S DISCUSS YOUR CASE.
Provide a brief overview of the matter and the best way to reach you. Please avoid submitting highly sensitive or privileged case details through the website form.
PHONE760-831-4130
EMAILgrissomgroupinvestigations@gmail.com
MAILPO Box 584, Indio, CA 92202
LICENSECAPI #189922