To become a certified peace officer in Ohio, applicants must complete a Peace Officer Basic Training Academy. An effective cover letter showcasing your relevant credentials, passion for law enforcement, and willingness to learn can help you impress potential employers.When applying for the police department and filling out entire work history, what happens if you can't remember jobs you had for one day, a week, or a month? There are three different pathways to becoming a Dublin Police officer. Get acquainted with the selection process. Letters must be currently dated (no older than 6 months), signed and contain the address of the person writing the letter. In your police officer cover letter, it's important that you emphasize education, work experience, a clean background, and community service. Please read this cover letter carefully prior to filling out the attached application packet for the position of Patrol Officer. Please read this cover letter carefully prior to filling out the attached application packet for the position of Patrol Officer. Don't skip anything.