Internal Affairs Investigations – Los Angeles

June 01 - 03, 2020   |   Los Angeles, CA

This class is currently open.


Department of Insurance
Los Angeles Regional Office
5999 East Slauson Ave
City of Commerce, CA 90040

Click HERE for Event Flyer

Class Hours

8:00am – 5:00pm

POST Course Control Number:  9100-32100-19-002

STC Certificate Number:  #06748358

Course Description

The class is designed for anyone who is currently assigned to or may be expected to conduct internal affairs investigations in the future. Officers and civilians who want to improve their internal investigative skills or are planning on promoting soon are also welcome to attend.

Fees and Registration: $220.00

This class has available seating. Please click the Register Now link at the top of this page.

The easiest way to register a group of individuals is using our online system. To choose group registration, click the registration link at the top of this page. Login to our system or create an account. Then, on the registration page, click the second blue button indicating group registration for your agency. On the following screen, click the green button that says “Register an Attendee” and search for attendees you wish to register. Follow the prompts to complete the registration process.

Cancellation Policy:

Effective 8/1/18

All cancellations and substitutions MUST be in writing and directed to the CPOA Training Coordinator @  All refunds will be processed within 30 days from the written date of the cancellation request.

Cancellations made 30 calendar days or more from the first day of your registered course will be refunded minus a $30 cancellation fee.

Cancellations made 29 calendar days to 10 calendar days from the first day of your registered course will receive a 50% refund.

Cancellations made 9 calendar days or less from the first day of your registered course are NOT eligible to receive a refund.

*Registrants who cannot attend a course are strongly encouraged to find a substitution.

Thank you!

Substitution Policy:

CPOA encourages you to make a substitution if a student cannot attend the course; substitutions will be accepted prior to the course in writing and on-site.

*Registration Policy:

CPOA will not register anyone for a class unless payment has been received in full. If you are not able to provide payment with registration you may provide a credit card to hold the seat. However, all students must be paid in full 10 days prior to the class. If payment is not received and a card has been given to hold the seat, it will be charged.

Who Should Attend:

The class is designed for anyone who is currently assigned to or may be expected to conduct internal affairs investigations in the future. Officers and civilians who want to improve their internal investigative skills or are planning on promoting soon are also welcome to attend.


Dave Nighswonger  Dave Nighswonger 

Dave Nighswonger is a retired Commander with the Orange County Sheriff’s Department. His 30 years of service included a variety of operational and support assignments as a supervisor, manager, and executive. Dave served as the Commander of the Professional Services Command and Captain of the Professional Services Division where he developed many years of expertise in the areas of personnel management, Internal Affairs investigation, human resources, accountability and risk management systems.

He is passionate about the role of progressive management in addressing the challenges facing modern law enforcement and has devoted his post-retirement career teaching for various institutions to include Union Institute and University, the California Peace Officers Association, the Orange County Regional Training Facility, Goldenwest College, PMW & Associates, and the Ben Clark Training Center. He holds P.O.S.T Basic, Intermediate, Supervisory, and Management certificates along with a Bachelor’s Degree from Cal State Long Beach and a Master’s Degree from American Military University. Dave is happily married and has six children.

dennis-vrooman-new  Dennis Vrooman

Dennis Vrooman is the Support Division Captain with the Murrieta Police Department. He has over 28 years of law enforcement experience, with over 25 years as a sworn officer. Dennis began his career with the Downey Police Department in 1985 and has served at Murrieta PD for 21 years.
He has served in several different roles and assignments within his current organization including Patrol, Field Training Officer, Detective, Narcotics Task Force Officer and Corporal; As a Sergeant he was assigned to Patrol, Administration and the department’s Special Enforcement Team. During his tenure as Lieutenant he was assigned to Patrol and Detectives.
Dennis was the Police Association President for over 9 years and is currently the President of the Police Management Association. He holds a Bachelor’s degree in Liberal Studies from Regents College and a Master’s degree in Organizational Leadership from Azusa Pacific University. He is a graduate of the Sherman Block Supervisory Leadership Institute (SLI) Class #187 and the FBI National Academy, Session #242.

Dennis is also an Adjunct Faculty at Riverside Community College and has taught several law enforcement classes for the past 14 years. He has been an Advisory Board Member for Safe Alternatives for Everyone (SAFE) since 2005 and has been a board member for the Family Justice Center since 2011.

David W. McGill

David W. McGill holds the rank of Deputy Chief of Police for the Newport Beach Police Department (NBPD).  Prior to being hired by the NBPD, he served with the Los Angeles Police Department for over 25 years, working a variety of assignments including patrol and detectives, Anti-Terrorist Division, Internal Affairs Division, and as the Adjutant to the Chief of Staff.  David has taught Internal Affairs courses for several years and has been instrumental in updating CPOA’s Internal Affairs Manual.

David earned a Bachelor of Science degree in Biology/Pre-Medicine at the University of California at Irvine, and a Master’s Degree in Public Administration from California State University at Long Beach.  He is a graduate of the West Point Leadership Program, California Commission on Peace Officer Standards and Training (POST) Executive Development Course, and the 212th Session of the Federal Bureau of Investigation’s National Academy.  David serves on many non-profit boards and foundations throughout Orange County in support of children and victims.  He has been a member of the California Peace Officers’ Association (CPOA) since 1997, and he is currently serving on the CPOA Board as its 1st Vice President.