Criminal/Civil Board Certified Forensic Investigations Services

Our Investigators are Board trained and Certified


Board Certified Criminal Defense Investigations

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Investigations and Security Consultation


Civil/Domestic Legal Investigations

Criminal Defense Investigations

At William A. Monroe & Associates Investigations we are here to provide you with Peace Of Mind!  We Investigate so that you can litigate.  

  • Crime Scene Investigation

  • Crime Scene Reconstruction

  • Police Procedure

  • Use Of Force Investigations

  • K-9 Search and Seizure  

  • Bloodstain Pattern Analysis 

  • Criminal Case Review

  • Expert Witness Testimony

Security & Investigations Consulting 

Our Investigators have over 30 years experience in the Law Enforcement, Security, and Investigations fields of discipline. We have assisted clients from both the state and federal government, as well as private sector clients, create comprehensive security environments through services that include 

  • Physical Security Consulting

  • Operational Security Consulting

  • Event Security Consulting

  • Threat Assessment

  • Hostile Termination

  • Physical Security Consulting

  • Operational Security Consulting

  • Policy and Procedure review

  • Forensic Investigative Interviewing


Civil/Domestic Legal Investigations

Our Investigative Team consists of Board Certified Criminal Defense and Forensics Investigations Experts, Board Certified Forensic Interviewers, Paralegals, Support Staff, and Consultant Investigators to assist our clients both large and small.

* Insurance Fraud Investigations

* AOE/COE Investigations

* Personal Injury Investigations

* Workers’ Compensation Fraud

* Child Custody/Support Investigations

​* Mental Health Investigations

Image by Wil Stewart

Our Team

Peace Of Mind!

Our team of exceptional and result-driven investigative professionals, who love what we do and are dedicated to providing the absolute best in superior investigative services throughout the state of California and beyond.


William A. Monroe CCDI, CFSI, CFI-FTER

Investigations Director/Qualified Manager

Mr. Monroe is the Director of Investigations/Qualified Manager of  W.A. Monroe & Associates Security Consulting and Investigations, and is the Founder and Director of the California Center For Investigative Study.  He also serves as the Chairman of the Peer Review Committee for the CCFIS.

Mr. Monroe is a diligent and highly skilled Investigative Forensic Criminologist with a comprehensive understanding of the criminal justice system. 

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Danielle Roberts, LPI,CCDI,CFSI,CFI-FTER

Consultant Investigator

Since joining our team, Danielle has played a crucial role in our ability to provide our clients with holistic, collaborative investigations in our criminal cases, and has been an integral part of the success of our Firm.  Danielle is a Board Certified Criminal Defense Investigator, A Board Certified Forensic Science Investigator, and a Board Certified Interviewer certified in Forensic Testimonial Evidence Recovery. Mrs. Roberts is a Licensed Florida Private Investigator, and the managing investigator at Roberts Investigative Services in Florida.  She provides services for our firm as a Consulting Investigator, assisting with Investigative Case Reviews, Writing Investigative Opinion, Conducting background investigations, and providing support services to our clients  Danielle has an exceptional skill set, true passion, and commitment to providing our clients with the best possible investigative effort.  Ms. Roberts is a partner investigator serving the states of Florida and California.

Investigator CV/Resume

Rhonda J. Eaton, LPI,CFSI

Consultant Investigator

Ms. Eaton is a licensed Massachusetts Private Investigator, and the Lead Investigator of Minuteman Investigations in Massachusetts. Rhonda is a Board Certified Expert in Forensic Testimonial Evidence Recovery Method of Forensic Interviewing. (CFI-FTER)

Rhonda provides expert investigative consulting, interviews witnesses, prepares investigative opinion reports, and conducts Investigative Case Reviews and Analysis for the Firm with cases such as Sexual Assaults', Robbery, Attempted Murder, and Civil rights violations Investigations.  She is a valuable asset to the firm and a partner Investigator serving the states of Massachusetts and California.  

Investigator CV/Resume

Debora Warren-Investigator

Family Law/Mental Health Investigator

Ms. Warren has 30 years of experience as a Mental Health Investigator.  She is adept at conducting  pre-commitment investigations and works with our clients and their families in gathering information and determining recommendations for Civil Commitment Hearings. 

Ms. Warren conducts family law investigations for the firm, as well as lead investigative duties for our civil clients,.  Debora coordinates cases through the legal system; and participates as an effective member of our team.

Get in Touch
David Atchinson

David Atchinson

Surveillance Investigator (SI)

David is a Surveillance Investigator who specializes in Forensic Photography, and mobile stationary surveillance


LuLu A. Boyd (IA)

Investigations Assistant (IA)

Mrs. Boyd manages the investigations office, conducts research on cases, prepares detailed, documented reports on both civil and criminal cases. 

Ms. Ramsey is a diligent fledgling investigator with over 1000 hours of investigations experience in the field. 

She is currently pursuing her degree in Business Administration at Yuba College, and is fluent in Spanish.


Monica Hammond (IA)

Investigations Assistant (IA)

We welcome Ms. Monica Hammond as an Intern Investigations Assistant (IA), at the Firm.  Monica comes to the Firm with a certificate in Private Investigation from Penn Foster College where she graduated in the top 5% of her class.

She has experience in interviewing and documenting cases, preparing case summaries for the Firm, and has over 300 hours of investigative experience.  Ms. Hammod specializes in Family Law Investigations. 

Contact Us

Contact us and find how our services can benefit your company.

825 9th St. Professional Plaza Suit H. Marysville, CA 95901

Sacramento: 916-806-6875 Marysville 530-441-6815

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