Earn a high school diploma or GED
Meet the minimum age and citizenship requirements for your local police department
Maintain a clean criminal record and strong personal background
Build physical fitness and good overall health
Complete a college degree if preferred or required by your department
Attend and graduate from a police academy
Become a sworn police officer
Gain several years of patrol or investigative experience
Develop strong observation, communication, and report-writing skills
Apply for detective or investigator openings within your department
Pass any required promotional exams, interviews, and background checks
Complete specialized detective training if required
Continue professional development and stay current on laws and procedures