A few directives that are sensitive in nature and could potentially compromise employee safety, investigative or tactical operations have been omitted. Those excluded forms or documents may not be appropriate for inquiry or may pose a threat to the security and/or safety of Department operations. Additional Thank you for your patience as we are currently updating all our Department Instructions using Lexipol. Department Instructions will be posted as soon as Mesa Police Department. All Reference. DPM Department Policy Manual. FS Forensic Services Documents. Powered by PowerDMS Footer Logo. defining, and maintaining established policies and procedures as part of the Police Department's Policy and Inspections Section.The role of law enforcement is ever-evolving with increasing expectations. Police officers can only effectively solve community issues when they are working in Thank you for your patience as we are currently updating all our Department Instructions using Lexipol. Department Instructions will be posted as they are The Costa Mesa Police Department, along with most Orange County law enforcement agencies, uses Lexipol software to continually update their police policies.