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March 20, 2026

John DeMarr
5 Posts

John DeMarr

John DeMarr is the founder and CEO of one of the top private investigative agencies in the United States. Headquartered in Huntington Beach, California, Demarr is a recognized expert on matters of security and investigation. His firm, John Demarr PI, is affiliated with the California Association of Licensed Investigators, the World Association of Detectives, the California Association of Legal Support Professionals, and the National Association of Professional Process Services. His firm is a top choice for sensitive assignment for major companies and prominent individuals.

Expert Advice October 26, 2017

A PI’s Look at Avoiding Online Dating Stalkers Scammers and Worse

Many people use online dating tools, whether they’re hoping for a hook-up or a potential love-match. Users often use multiple…

By John DeMarr

Expert Advice October 25, 2017

How Your Husband Would Hide Assets During Your Divorce

It is more common than women might think for husbands to try and conceal assets. If a husband manages to…

By John DeMarr

Expert Advice October 24, 2017

Protect Your Children from Cyberbullying

In the past, children were bullied in the playground at school. Now the type of bullying they face is much…

By John DeMarr

Expert Advice October 24, 2017

Online Risks Facing Children of Divorce

When a divorce occurs, the children often feel split between two parents. They may be angry with one or both…

By John DeMarr

Expert Advice October 23, 2017

Fidelity, Infidelity and Technology – How Cheaters Cheat And How I Catch Them

These three elements are a part of the information age. Fidelity is the ideal loyal partnership while infidelity is the…

By John DeMarr

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