Infidelity Private Investigator Serving Los Angeles & Ventura County

Are you searching for help with an Infidelity Private Investigation in Ventura or Los Angeles? Look no further.

  • Do you suspect a cheating partner?
  • Is there something suspicious about your relationship?

When you have that feeling that something is not right in your relationship, it’s time to call a private investigator in your area — call Doerner Investigations, serving Ventura and Los Angeles counties with private detective services.

We understand the importance and sensitivity of a situation that brings you to a private investigator. You may be in the midst of a very stressful time. We are here to help. We specialize in getting to the root of the issue and uncovering the TRUTH! Having a private investigator on your side that has this sensitivity and the ability to get the job done for you is priceless.

Every case is different and the methods needed to get the information varies. We sit down together and discuss exactly what is going on. Once we have a better picture of your situation, we will advise on the best approach to uncover the truth.

Infidelity Investigation

For cheating partner investigations, we may use surveillance and polygraph services (lie detector), as well as other detective services, depending on the situation in your case. We are here to help you obtain the information you need to make an informed decision.


If you need help investigating cheating in Ventura County or Los Angeles County, please call us today.

For peace of mind, call (213) 910-4609

CA PI #27737