Is Your Suspect Telling the Truth?

Hire our experienced polygraph examiner, Mr. Pineda, to conduct your polygraph test in Glendora, CA

Court-Appointed Cases

Find out how we assist local, state and federal government entities.

Learn More

Infidelity Testing

You don't have to take your spouse at their word. We certainly won't.

Learn More

Criminal Cases

The results of a polygraph test can help you prove a suspect is guilty.

Learn More

Business Services

We help business owners find out what's going on right under their nose.

Learn More

We Get Results

Schedule local polygraph testing services in Glendora, CA

Knowing the truth could save your marriage, help you avoid incriminating the wrong person or prevent your marijuana dispensary from losing money and the trust of your customers. A Pineda Polygraph Services offers local polygraph testing services in the Glendora, CA area. We use state-of-the-art equipment to assist government entities, attorneys and other private clients with high-stakes cases.


Our polygraph examiner, Ernest Pineda, has over 50 years of experience, a decade of which was spent as a police officer. He'll stop at nothing to find out if your suspect is telling the truth, and he's also bilingual.


Call 626-905-4660 now to tell us who you'd like to investigate and why.

Office meeting with a man at a laptop showing charts and graphs on screen

Don't Ignore Your Gut Feeling

A Pineda Polygraph Services can find out if your spouse has been unfaithful

Person in a gray top using a black hand stimulation device with sensors on a chair

We provide comprehensive services

When you've hit a wall in your investigation, polygraph testing could provide the break you need. We're often hired to assist with...


  • Business matters, such as those involving inside jobs
  • Criminal cases, such as those involving robbery or sexual assault
  • Immigration matters, such as those involving asylum-seekers
  • Private matters, such as those involving infidelity or addiction


Contact us today to learn more about our local polygraph testing services in Glendora, CA.

Could you benefit from our services?

Our polygraph examiner will be glad to explain the relevance of polygraph testing, as well as tell you about cases we helped solve thanks to our expertise. Initial consultations are complimentary and risk-free.