Investigation Specialists LLC
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Investigation Specialists LLC Private Investigation Services Homepage


Over 30 years experience providing litigation support for criminal defense attorneys & law firms

Headquartered in Southern California, Investigation Specialists LLC represent some of the most experienced and creative attorneys on the west coast. We have investigators with specialized academic and practical experience for criminal defense, family, personal injury and probate law.

Our firm specializes in working with defense attorneys on capital punishment and other high profile criminal defense cases. We bring extensive experience and professionalism to every case and customize our support to your individual needs and concerns.

Our firm also engages in a large variety of service work. For example, process serving, the personal delivery of summons, subpoenas, and other legal documents to parties in a legal case.

Get in touch with us to set up a consultation, or use the contact form at the bottom of this page to inquire whether our services are right for you.


Areas of Practice

Criminal Defense

With over 30 years experience providing litigation support for criminal defense attorneys and law firms, we routinely assist by locating and interviewing reluctant witnesses, collecting documents, conducting crime scene analysis, photographing and diagramming crime scenes, conducting subpoena service, in trial support, and more. We strive to provide high quality, efficient and effective services that meets or exceeds our client's expectations.

Background Checks

We conduct comprehensive criminal background checks revealing felonies, misdemeanors, sex offenses, and more at the state and county level.


Family Law

With extensive experience in managing Family Law investigation, Investigation Specialists LLC understands the intense personal nature of each situation and necessity to initiate, facilitate, and complete projects in a timely and professional manner. Our goal is to provide a high return on investment by providing high quality, efficient, and effective services.


We routinely assist law firms by locating reluctant, evasive witnesses, and missing heirs in support of civil, criminal, and probate cases.

Personal Injury

Investigation Specialists LLC has extensive knowledge in Personal Injury investigation. We have investigators with over 30 years experience in Traffic Collision investigation and reconstruction analysis. We routinely assist law firms by locating apprehensive witnesses and conducting thorough interviews. At traffic collision scenes we often locate, diagram, and photograph evidence for later review and analysis.

Let's Chat.

Use the form below to contact us regarding your legal inquiry. Please be as detailed as possible. Include your industry along with any specific document requests. To help us best service you, we recommend that you first describe the issue that you are having before telling us what you want to achieve. 

For job opportunities, please email us your resume. We’re always looking for new and exceptional talent to lead the firm into uncharted fields of practice.

Name *
Please do not include confidential or sensitive information in your message. In the event that we are representing a party with opposing interests to your own, we may have a duty to disclose any information you provide to our client.