Command Staff

Command Staff

Arthur Cotten, Chief of Police

Chief Cotten began his career with the Murphy Police Department in September of 2015. Prior to coming to Murphy he served as a police officer for twenty two years at the Richardson Police Department. Chief Cotten has served in the role of Police Sergeant, and Police Lieutenant. Chief Cotten also served on the Motorcycle Unit for 12 years. He has had extensive training in advanced collision and reconstruction investigation. Chief Cotten holds a state Instructor License and has taught crash reconstruction classes for TEEX since 2004. TEEX is a branch of the Texas A & M University System. Chief Cotten also holds a Master Peace Officer Certificate. He graduated from the Law Enforcement Management Institute of Texas Leadership Command College and the Institute for Law Enforcement Administration Management College. Chief Cotten currently serves on the Executive Board of the North Texas Police Chiefs Association.

Chief Cotten is a native of Arlington, Texas and later graduated from Jersey Village High School in Houston. He previously attended the University of Oklahoma and was employed by the University of Oklahoma DPS for two years before moving back to Texas. He graduated from the University of Texas at Dallas Magna Cum Laude with a Bachelor’s Degree in Interdisciplinary Studies. Chief Cotten has a Masters Certificate in Local Government Management from the University of Texas at Dallas, a Graduate Academic Certificate in Police Management from the University of North Texas, and a Master of Public Affairs degree from the University of Texas at Dallas.



Adana Barber, LT

Lieutenant Adana Barber has served with the Murphy Police Department since 2004.  She began her law enforcement career at the Garland Police Department in 1988.  She has also served with the Rowlett and Sachse Police Departments.  She holds a Bachelor of Business Administration degree from Midwestern State University.  She is a graduate of the Institute for Law Enforcement Administration School of Police Supervision, the Leadership Command College from the Law Enforcement Management Institute of Texas, and the inaugural class for the Leadership inventory for Female Executives.  She was also a graduate of class #249 of the FBI National Academy.



Kim Parker, Support Services Manager

Kim Parker started her career in 1995 with the Marion County Sheriff’s Office in Ocala, Florida when she relocated to Texas in 1999 and continued with the Allen Police Department.

Kim Parker has been with the City of Murphy since 2005 where she currently serves as the Support Services Manager, responsible for Communications, Records, Property/Evidence, Crime Scene, Animal Control and the Texas Police Chief Recognition Program Manager.

During her time in Murphy, she has successfully completed the requirements for TPCA Recognition Program to be the 111th Recognized agency in Texas (2014). The Murphy Police Department was Re-Recognized in April of 2019.