(562) 986-4488

California Licensed Private Investigators

Management Team

John Parker (General Manager/Investigator) is a state licensed private investigator with twenty-six years of local law enforcement experience and over fifteen years experience in electronic security design and implementation. He has conducted, or participated in, hundreds of criminal and civil investigations. John has a Bachelors Degree in Criminal Justice and a Masters Degree in Business Management. He served as faculty advisor to the Administration of Justice Department at Los Angeles Harbor College, and authored several articles dealing with business security and human resource issues. John is a lifetime member of the California Organization of Police and Sheriffs.

Leon Darley (Assistant Manager/Investigator) is a state licensed private investigator with over thirty years of local law enforcement experience. He has conducted, or participated in, hundreds of criminal and civil investigations with an emphasis on vehicle related incidents and accidents. Leon has extensive experience in traffic accident reconstruction. He holds a Bachelors Degree in Business Administration. Leon is a lifetime member of the Peace Officer Research Association of California.

J. Craig Jacobs (Background Investigations Manager) – Craig has thirty years of local law enforcement experience, and served our country for ten years in the United States Marine Corps. He has conducted, participated in, or supervised hundreds of investigations. Craig is a graduate of the FBI National Academy, the West Point Leadership Program, and the USC Delinquency Control Institute. Craig also holds a Bachelors Degree in Sociology and a Masters Degree in Public Administration.

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Contact Information

Platt Investigations, Inc.
3275 East Grant Street
Signal Hill, CA 90755

Phone: (562) 986-4488
Fax: (562) 986-4487
Email: info@plattinvestigations.com

Location Map

California License Numbers

PPO 6872
ACO 3639
PI 16004

Private Investigators are licensed and regulated by, The Bureau of Collections and Investigative Services, California Department of Consumer Affairs, 1920 29th Street, Sacramento, California 95814.