Internal Affairs Investigator

Also called: Professional Standards Investigator, IA Detective

A police detective who investigates complaints and misconduct by other officers.

A day in the life

IA investigators review body-camera video, interview officers and witnesses, and decide whether rules or laws were broken. It's unpopular with some coworkers but vital for public trust.

Pay over a career

Starting
$65k
Typical
$94k
High
$135k

BLS detectives and criminal investigators median May 2025; range estimated.

Approximate: anchored on Bureau of Labor Statistics data for a broader job group.

Training

High school diploma, about 8 years after high school. Police academy plus years as an officer or detective; a bachelor's often required for promotion.

Ways in: On-the-job training, 4-year college. Training cost: Get paid while you train.

Majors to look at: Criminal Justice, Psychology.

Outlook

Growing about average (about 3% over 10 years). BLS police and detectives, 2025-35.

Will it last? Our AI estimate

Low risk in 5 years, medium in 10. AI now screens body-cam footage for problems; interviews, fairness and discipline decisions stay human.

Start now, in high school

Classes: Psychology, English composition, Government / Civics, Mock Trial.

Official data: O*NET occupation 33-3021.

More Police & Local Law Enforcement careers

Career Universe is an early version. Pay, training and AI-risk figures are estimates to start your own research, not verified facts. The research was written with AI research assistants, checked by validation scripts and spot-checked by hand. Check anything important with schools, employers and official sources. How the numbers work.