Investigative SERVICES For Individuals

Tristar Investigation has been serving the needs of individuals for over 30 years. These situations often involve delicate personal matters that require discretion and absolute confidentiality. Perhaps you have never contacted a private investigator before. You are not alone, well over 80% of individuals that call us have never engaged the services of an investigator before.
Whether you are suspicious of a Spouse or “significant other” or if you need to know about someone’s background or assets, or if you are trying to find someone, we have the tools to get the job done. No matter what your needs are, we have the experience, skills and resources to solve your problem.

The first thing we do is make sure we know what your needs are. Perhaps you do not know the terminology for the service you are seeking or maybe you don’t evenknow how to find the answers to your questions. Or you might feel somewhat embarrassed by the circumstances you find yourself in. Rest assured that we have more than likely being contacted numerous times in the past by someone in a very similar situation.

In some cases you may have some challenges even contacting us. Your telephone or e-mail may not be “secure”, which means that your method of communication could be discovered by someone else. We are aware of these factors. When you call we will discuss the most and secure for us to talk.

What sets Tristar Investigation apart from our competitors? It is our ability to determine the your needs and create the most efficient plan to solve the case. No high pressure sales techniques, just honest evaluation of hte job at hand. Many of our competitors put people with minimal experience out in the field and hope for the best. Our professionalism and experience in delivering a quality product gives you the advantage.

If you do not see your need described, don’t worry, we can’t list everything we do. Give a call, e-mail us, or download our Tax Request Form and we will let you know what we can do to solve your problem.

Follow or Watch Someone

Cheating Spouses

Cheating spouses spend a lot of time covering up their deeds. Our private investigators can help you uncover the truth.

Custody Investigations

Child custody investigations such as visitation monitoring can bring peace of mind to a parent who has suspicions.

Injury Surveillance

Surveillance is crucial to confirming if a person is really injured in civil litigation and insurance fraud cases.

Spousal Surveillance FAQs

Domestic surveillance is the method used to discover if spouses are cheating on each other.

Find Someone

Missing Persons

Finding missing persons can be frustrating and difficult. We have a broad range of skills and methods to find them.

Runaway Teenagers

Teenagers and adult children can exhibit a variety of troubling behaviors, including running away. We can help.

Serve Court Papers

When trying to serve court papers many times the difficulty is locating the individual. We can help.

Check on Someone’s Past

Background Checks

Finding out who someone really is or discovering important things about their past can give you peace of mind.

Fraud and Scams

Whether it’s shopping on the internet or sending money in online romances, we can help with frauds and scams.

Find Someone's Money

Asset Investigation

Whether someone owes you money or you’re planning to sue someone, finding what they are worth is the place to start.

Asset Recovery

Finding where people have their assets takes the skills of an investigator, we have the means to locate hidden assets.

Other Services

How to Hire a P.I.

When hiring a private investigator you can protect yourself by making sure you find one that is competent and reputable.

Fraud and Scams

Whether it’s shopping on the internet or sending money in online romances, we can help with frauds and scams.

Subpoena Service

When trying to serve court papers many times the difficulty is locating the individual. We can help.


Going through a divorce can be stressful; we have the experience you can rely on to help you with every aspect.

Estate Probate

From locating missing heirs to discovering assets, we have extensive experience in estate and probate matters.


If you don’t see the investigative service you are looking for, contact us to inquire about our wide range services.

Business Services

Workers Comp

Workers compensation abuse drives up costs, deflates productivity and destroys staff morale. We can help.

Employee Theft

Employee theft investigations require skilled, experienced fraud investigators.

Intellectual Property

Copyright infringement is a growing problem in the United States and worldwide.

Injured Worker Surveillance

Businesses that get sued by injured workers need experienced surveillance investigators.

Corporate Intelligence

Knowledge is the crucial factor in staying ahead of the competition.

Loss Prevention

We investigate loss prevention, from isolated “crimes of opportunity” to sophisticated theft rings.

Background Checks

Investigating potential management recruits or current employees can help you make informed decisions.

Asset Recovery

If you are considering suing someone or if you are owed money, we find assets.

Insurance Services

Subrosa Surveillance

We are experts in workers compensation fraud. We get video to counter injury limitation claims.

Workers Comp Fraud

Workers compensation abuse is rampant in California. We have obtained crucial video in thousands of cases.

Insurance Accident Investigations

We have decades of experience investigating accident scams including trial support.

Skip Tracing

When claimants or insured parties disappear, we track them down for you.

Background Checks

Finding crucial information on a claimant’s background can give you the information you need.


We conduct comprehensive investigation for “Arising Out of Employment” or “Course Of Employment” claims.

Bilingual Claims Investigator

Tristar Investigation is your go-to source to find a Spanish speaking private investigator in California.

What people are saying

Thank you for providing me with such outstanding service. I truly appreciate you and your staff for all you’ve done for me and my family…. I’m totally pleased with the outcome and their findings… Great job!

Gerome S. | Retired | USA

I have used Tristar for years. Their response time and results are unparalleled. They get my highest praise.

Robert Clayton, Attorney | Taylor & Ring, LLP | Los Angeles, CA

Tristar found my birth mothers records the same day. I am very impressed with their professionalism and the services they provide. I will use them again for any of my needs.

Dr. Claudia Barne | Professor | 23 years

Tristar was very helpful in my address search. Kellie Anguiano was very personable and kept me up to date with the search process… Thank you so much for your help!

Emily | DDS Student | 2 years | Los Angeles, CA

Tristar is by far the most reliable and efficient investigator we have ever used.

Nicole Young | Attorney, 14 years | Woodland Hills, CA

Tristar in the news

Tristar Investigation has been featured in a dozens of publications, everything from print to TV and radio. Bellow you will find Burce Robertson interviewed and discussed on famous publications such as the History Channel, New York Times, CNN and a lot more.