Application Process: Mail to: Dallas County Sheriff's Dept. , 133 N. Riverfront Blvd.You can also use the citation number to pull it up. If you need more information than is available online, fill out the above form. Fill out the form below if you're interested in joining the Fort Worth Police Department. Recruiting Interest Form. This is a temporary trainee classification used to qualify and train candidates' under-filling permanent Police Officer positions. After submitting your completed application, be on the lookout for an email that will contain your new student ID and appropriate next steps. This is a temporary trainee classification used to qualify and train candidates' under-filling permanent Police Officer positions. Please allow 24-48 hours for your welcome email to arrive.