Transcription involves writing down dialogue and actions that occur in a video or audio file. Police departments may use these transcriptions for traffic violations and accidents, interrogations, witness interviews, wiretaps, security footage, and other police events. As a police transcriptionist, your responsibilities include collaborating with attorneys, security companies, prosecutors, law enforcement agencies, public defenders, and police departments. Your duties are to record video or audio, listen back, and transcribe it word for word. Some situations require verbal transcription through an interview. A police transcriptionist can work through the department or as an outsourced resource.