PO Box 1731
Running Springs, CA 92382
California State License: PI 14881

Private Investigations
Polygraph Examinations
Process Service

Don GilbertServing the San Bernardino Mountains and surrounding communities

Don Gilbert Investigations is a business dedicated to their customers. Mr. Gilbert became a private investigator in 1965 and obtained his first Private Investigators license in 1968. Based in prior years in the West Covina California area he maintained his business in that city for thirty-five years. In 1971 Don Gilbert attended Gormac School of Polygraph graduating with honors and has been performing Polygraph Examinations. Since that time Don Gilbert performed Criminal, Civil, Arbitration, Sex Crimes, and Domestic Polygraph Examinations..

Mr. Gilbert has investigated thousands of criminal cases, working for businesses interested in proactively bringing as many losses to a logical conclusion as possible. The proper conclusion is always criminal prosecution or at least restitution of the loss. We use investigations and polygraph examinations to bring most losses to a satisfactory conclusion.

During his many years of business in has had hundreds of occasions to do the following types of investigations:



Please call or write for further information.