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SERVICES

At LSIS, our foundation is built on legal expertise and a guiding principle that has stood the test of time: Res Ipsa Loquitur—"The Evidence Speaks for Itself." 


For more than 26 years, we have specialized exclusively in litigation support, providing attorneys and legal professionals with the experience, precision, and reliability they need to build stronger cases. Our deep understanding of the legal process, combined with decades of proven results, ensures that every project is handled with the highest level of professionalism and attention to detail. 


When the stakes are high, trust LSIS to deliver litigation support backed by experience—and let the evidence speak for itself. 

FAMILY LAW LITIGATION

INSURANCE / CLAIMS DEFENSE

FAMILY LAW LITIGATION

Our services are backed by years of specialized legal coursework, training and

experience. All cases are managed by a trained Paralegal who has completed California Family Law courses through an American Bar Association-approved college program.


We specialize in the areas of:

  • Spousal Support / Alimony
  • Under-Reported Income
  • Child Support 
  • Cohabitation,
  • Substance Abuse
  • Child Neglect / Endangerment
  • Diversion of Assets
  • Violation of court orders 
  • Background investigations

Find out more

CIVIL LITIGATION

INSURANCE / CLAIMS DEFENSE

FAMILY LAW LITIGATION

A timely and thorough investigation is imperative in the early stages of Civil Litigation.  Considering litigation can take years, the early preservation of evidence as well as witness & claimant statements often play a crucial role as memories fade and stories change.  


All cases are managed by a trained Paralegal/Legal Investigator. We utilize years of specialized training & experience in: 

  • Torts and Personal Injury
  • California Civil Litigation
  • Legal Procedures
  • Advanced Legal Research 
  • Advanced Legal Writing
  • Incident Scene Investigations

Learn More

INSURANCE / CLAIMS DEFENSE

INSURANCE / CLAIMS DEFENSE

INSURANCE / CLAIMS DEFENSE

We are trained to investigate and document pertinent facts with regards to intentional torts, negligence, and strict liability.  A comprehensive investigation can often help the client determine whether to settle the case or litigate it through the courts. 


All cases are managed by a trained Paralegal/Legal Investigator. We utilize years of specialized training & experience in: 

  • Torts and Personal Injury
  • California Civil Litigation
  • Legal Procedures
  • Advanced Legal Research 
  • Advanced Legal Writing
  • Incident Scene Investigations

Find out more

Allison E. Burns, Esq. - Corporate Attorney

Chief Rick Fong - Bureau of Security & Investigative Services

David H. Schulman, Esq. - Family Law Attorney

“We  were able to prevail in our client’s case, thanks in large part to the  investigation and report compiled by The Legal Support Investigative  Service.  Randall Alexander did a great job uncovering critical details  in our case which netted positive results for our client.

Randall is professional, dependable, and detail-oriented.”

David H. Schulman, Esq. - Family Law Attorney

Chief Rick Fong - Bureau of Security & Investigative Services

David H. Schulman, Esq. - Family Law Attorney

"I have had the privilege of working with Randall on a few occasions. His expertise, thoroughness and extreme attention to detail has provided my  law office with expert assistance. I have requested both surveillance  and background information and the reports I receive are complete and  accurate. I can attest to the professionalism and cooperation that LSIS  has given me and look forward to utilizing their services again." 

Chief Rick Fong - Bureau of Security & Investigative Services

Chief Rick Fong - Bureau of Security & Investigative Services

Chief Rick Fong - Bureau of Security & Investigative Services

"Dear Mr. Alexander

Thank you for participating in the written examination development for the 

Private Investigator's profession as a Subject Matter Expert." 



Full Testimonials

additional / specific services

Witness Statements

Review Records / Statements

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In litigation, it is vital to take witness statements in a timely manner. It serves to preserve witness memories while they are fresh in the form of a signed or recorded statement or even a declaration. It also identifies relevant information, helps in determining witness credibility, and can determine the direction of the investigation. 

Review Records / Statements

Review Records / Statements

legal investigator, record review, orange county

Utilizing trained Paralegal expertise as a Legal Investigator, we provide in-depth pre-trial support in the review of statements, reports, documents, and public records, looking for evidence and inconsistencies, which may be applicable in your legal matter. 

Difficult Service of Process

service of process, investigator, orange county

Attorney services have experienced increased difficulty with the advent of Ring-type camera systems, where the subject can remotely monitor who is at their door.  We offer Difficult Service of Process as an alternative when the attorney service is unable to complete the service. We have had tremendous success via surveillance while providing evidentiary images of the person served!

Site Inspection / Documentation

Site Inspection / Documentation

accident scene investigation, orange county

Our team is dedicated to creating a detailed site inspection utilizing sketches, diagrams with measurements, and photographs, providing the attorney with a visual layout of where an incident occurred.  

Surveillance

Site Inspection / Documentation

Surveillance

surveillance investigator, orange county

A well-planned surveillance utilizing state-of-the-art digital equipment is crucial for evidentiary purposes when documenting impugnable activities in Family Law, Corporate, and Civil Litigation. 

Skip-Tracing

Site Inspection / Documentation

Surveillance

skip tracing, locate person, orange county

LSIS uses multiple databases for cross-referencing information to ensure we have the correct person identified via names, age, DOB, SSN, family, and known addresses. These proprietary information brokers obtain their records from secure sources, credit bureaus, court records, etc.  

Background Database Research

Internet/Social Media Research

background investigation, orange county

Background checks are essential in Family Law and Civil Litigation for screening opposing parties, witnesses, and 3rd parties, as well as potential clients. 

Internet/Social Media Research

Internet/Social Media Research

social media investigation, orange county

The Internet and social media have become a gold mine of information posted by the subject of investigation or other sources when building a case.  

GPS Tracking

GPS Tracking

GPS tracking, investigation, orange county

LSIS provides legally compliant, real-time GPS tracking services to private clients and businesses, consistent with California Penal Code 637.  


Call or email today for your FREE CONSULTATION!

Contact Us Today

Legal Support Investigative Service

Post Office Box 11007, Whittier, CA 90603

Phone 562-315-5052

randall@LSISinvestigations.com

CA License #21556

Copyright © 2026 LSIS Investigations

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