
John Patrick Demny Private Investigations is a full service California private investigative agency providing general and specialized investigations to clients throughout the state of California. Through a network of professional associates, we can also provide services nationwide.
Our services include, but are not limited to:
- People locates and searches
- Witness Interviews
- Missing Persons
- Record Searches
- Insurance Investigations
- False Arrest Investigations
- Identity Theft
- Fraud Investigations
- Access to information and data base systems
- Criminal/Civil/General Investigations
If you don't see the service you need listed above, please contact our office. We may be able to provide an alternate service to meet your needs, or in some cases, refer you to one of our associates who provide the service you require.
For more information and a FREE consultation, call us today!

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