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© 2017 & Beyond by Los Carneros Investigative Services


Los Carneros Investigative Services

Located in the beautiful Napa Valley  in California, Los Carneros Investigative Services offers mobile Polygraph Examinations as well as Mobile Notary Public and Loan Signing Agent Services. 

Polygraph Examinations

Our professional consultant, Debbie Peecook administers Public Safety Pre-employment, Criminal Specific, Post Commitment Sex Offender Testing (PCSOT) or  Domestic Violence Polygraph Examinations according to industry standards. 

Our services include the furnishing of all polygraph equipment and any associated materials needed to perform the required polygraph examinations. In addition, Debbie commits to the following:

  • Provide a written report, within seven (7) business days of examination.

  • Provide an oral report of the examination in advance of submitting written report;

  • Retain documentation generated from polygraph examinations for a minimum of three (3) years from the date of the examination; and

  • Provide expert testimony upon the request of the contractor.

Notary Public and Loan Signing Agent

Debbie recieved her California Notary Public commision in 2018 and is also trained as a Loan Siging Agent.  Her mobile services are offered in the Napa, Solano, Sonoma and other Bay area counties. 

Ready to Work With Debbie?? 

She are here to assist. Contact her by email debbiepeecook@gmail.com.

About Debbie
Debbie Peecook
Certified Polygraph Examiner
Notary Public-California
Commission #2236150
Loan Signing Agent
Background Investigator
Private Investigator Lic.#29135


The Los Carneros Investigative Services is headed by Debbie Peecook, a Napa County Resident with 30 years of background in law enforcement and investigations. Ms. Peecook retired at the rank of Police Lieutenant with the Napa Police Department and has held many positions during her tenure in law enforcement. Her tenor included assignment in all divisions of the Napa Police Department where she gained valuable experience of high level investigations, received specialized training in areas of interview  and interrogation, report writing, communications, management, supervision and leadership. Debbie supervised and managed both sworn and professional staff. 


Debbie attended the California Peace Officers Standards and Training Certified Background Investigators Course, has obtained a Private Investigator’s License in the State of California. She completed a 400-hour American Polygraph Association  approved Polygraph Examiner's Academy in 2016. Debbie completed the American Polygraph Association approved Post Convicted Sex Offender Testing (PCSOT) in 2016. She has completed numerous polygraph examinations in PCSOT, Criminal Cases and Public Safety Pre-Employment testing.   


Debbie is a member of the American Polygraph Association (APA) and the California Association of Polygraph Examiners (CAPE) and the California Coalition for Sex Offenders (CCOSO).

Debbie earned her California Notary Public Commission in 2018 and completed the additinal training for Loan Signing Agent. She is a mobile Notary Public serving the Napa and Bay Area. 


 Debbie offers the following services; polygraph examinations and mobile notary public and loan signing agent services.