The most common route involves:
1. Becoming a Police Officer: This usually requires passing a background check, physical and psychological evaluations, and attending a police academy. A high school diploma or GED is often the minimum education requirement for this step.
2. Gaining Experience as a Patrol Officer: Years of experience as a patrol officer are crucial. This demonstrates competence and builds a track record necessary for promotion to detective. Departments vary widely in the minimum years of experience required.
3. Applying for a Detective Position: Once you've gained sufficient experience, you can apply for open detective positions within your department. This often involves further testing and interviews.
4. Specialized Training: Detectives receive specialized training in areas such as interrogation techniques, crime scene investigation, and forensic science.
In summary, while a bachelor's degree might improve your chances of advancement and might be required by *some* departments, it is not universally necessary to become a detective. Practical experience as a police officer is far more critical.