How Far Back Does a Police Background Investigation Go?
One of the most common questions police applicants ask is:
"How far back does a police background investigation go?"
The answer depends on the law enforcement agency. Every department has its own hiring process and background investigation requirements.
For applicants pursuing a career with the Honolulu Police Department (HPD), you should be prepared to provide information dating back to age 15.
Because of this, it's important to begin gathering your records early and take your time completing your Personal History Statement (PHS).
Why Does the Background Investigation Go Back So Far?
Law enforcement agencies are responsible for selecting applicants who demonstrate honesty, integrity, responsibility, and good judgment.
Reviewing your history over an extended period allows background investigators to better understand your personal, educational, employment, and driving history, along with any significant life events.
The goal is not to find applicants who have lived perfect lives. Rather, investigators are looking for patterns of responsible behavior and truthful disclosure.
What Information May Be Reviewed?
Depending on the hiring process, you may be asked to provide information such as:
Previous residences
Employment history
Schools attended
Military service
Driving history
Criminal history
Financial history
Personal references
Foreign travel
Prior law enforcement applications
For many applicants, remembering information from several years ago can be challenging. Taking time to verify your information helps prevent delays during the background investigation.
Why Starting at Age 15 Matters
Many applicants assume they only need to provide information from adulthood.
However, if the application requires information beginning at age 15, you should carefully review your history from that point forward.
Think about:
Where you lived
Schools you attended
Jobs you held
Volunteer activities
Significant life events
If you're unsure about dates or locations, use records or ask family members who may be able to help you reconstruct your history.
Don't Guess
One of the most common mistakes applicants make is estimating dates or forgetting important information.
Whenever possible, verify your information using:
School records
Previous employers
Tax documents
Military records
Driver history reports
Family records
Accurate information helps background investigators complete their work more efficiently.
What If I Forget Something?
It's understandable that recalling years of information can be difficult.
If you realize you accidentally left something out or made an error, notify the appropriate hiring personnel as soon as possible.
Trying to correct an honest mistake is generally far better than allowing inaccurate information to remain unaddressed.
Honesty Is More Important Than Perfection
Applicants sometimes worry that a mistake from many years ago will automatically end their chances of becoming a police officer.
Background investigators understand that people grow and mature over time.
What often matters most is whether you are honest, take responsibility for your past actions, and provide complete and accurate information throughout the hiring process.
Tips for Preparing Your Background Investigation
To make the process easier:
Begin gathering information early.
Create a timeline of your residences, schools, and jobs.
Verify dates whenever possible.
Keep copies of important documents.
Review your Personal History Statement carefully before submitting it.
Answer every question honestly and completely.
Preparation can save you time and reduce unnecessary delays later in the hiring process.
Final Thoughts
For applicants with the Honolulu Police Department, you should be prepared to provide background information beginning at age 15.
While gathering years of personal history may seem overwhelming, staying organized and providing accurate, truthful information will help your background investigation move more smoothly.
Remember, investigators are not looking for perfection. They are looking for applicants who demonstrate integrity, accountability, and professionalism.
Taking the time to prepare your Personal History Statement carefully is one of the best ways to start your law enforcement career on the right foot.

