Week three of the Citizens Police Academy Featured Dispatch Supervisor Katie Perry covering the Communications and 911 responsibilities of the Martin Police Department.  Following that, Ptl. Nick Combs, Ptl. Kelly Hendon, and Ptl. Aaron Carter covered the topic of Driving Under the Influence.  Topics included detecting impaired drivers, methods of building a case for prosecution, and various laws related to impaired driving.  There was a great deal of interest, interaction, and excellent questions from the class participants.