Patrol Supervision


The patrol division has four sergeants and each sergeant reports directly to Lt. Adana Barber.  The Officers work twelve hour shifts and are on set rotating week schedules.

Jason Smith, Sergeant

Sergeant Smith began his law enforcement career with the City of Murphy in June of 2002 after graduating from the University of North Texas Police Academy. Positions he has held within the department include; Patrol Officer, School Resource Officer, Bicycle Patrol, Retail Business District Liaison, Detective, and Patrol Sergeant. Sergeant Smith holds a Master Peace Officer License from the Texas Commission on Law Enforcement, and is currently enrolled in the last of three modules in the Leadership Command College at Sam Houston State University. Sergeant Smith grew up just down the road in Wylie and after graduating from Wylie High School, went on to earn a Bachelor of Science Degree from Texas Tech University in Lubbock, Tx.


Kyle Sarles, Sergeant

Sergeant Sarles joined Murphy Police Department in November of 2018 after graduating from Hunt County Police Academy in Greenville, TX. Sergeant Sarles holds his Intermediate Peace Officer License, TCOLE Instructor License, Field Training Officer, and is SWAT certified. Since joining Murphy PD, Sergeant Sarles has held positions as a patrol officer in charge and Patrol Sergeant.

Sergeant Sarles began his law enforcement career when he was young as a Murphy Police Explorer. In 2013 he joined the Collin County Sheriff’s Office serving in both the housing and book-in departments. Some of his accomplishments in law enforcement are having been named Officer of the Year, recognized as the Rising Star Award recipient for the City of Murphy, and receiving a Commendation from Sheriff Skinner.

Sergeant Sarles grew up in the local community of Wylie, Texas where he graduated high school. He attended classes at Collin College and Sam Houston State University. Outside of law enforcement, Sergeant Sarles enjoys family time with his wife and two children, hunting with his friends, and Country music.

Kyle Sarles

Mark Gann, Sergeant

Sergeant Gann began his Law Enforcement career with the City of Murphy in December of 2000 as a Police Officer. Before coming to Murphy PD, he served as a reserve officer for the Tom Bean Police Department and a full-time police officer for the City of Bells. Sergeant Gann graduated from the Texoma Regional Police Academy as a Texas Peace Officer in 1997. Sergeant Gann has served in various positions in his career including, Patrol Officer, Court Security, Patrol Corporal, Detective and Police Sergeant.

Sergeant Gann holds an Advance Peace Officer Certification with only a few hours away from obtaining his Master Peace Officer Certification from TCOLE, the State of Texas governing board for Law Enforcement Professionals. Sergeant Gann has held positions as Field Training Officer, Crisis/Hostage Negotiator, Internal Affairs Investigator and Crime Scene Specialist. Sergeant Gann was selected one of fifteen Law Enforcement Officer’s (Only one in Texas this course) by The U.S. Department of Justice (F.B.I.) nationwide for a Crime Scene Survey, Documentation and Reconstruction at Marshall University in Huntington, West Virginia in 2007. Sergeant Gann was selected as Officer of the Year in 2002.

Sergeant Gann is originally from Tom Bean, Texas graduating Tom Bean High School. In his spare time Sergeant Gann enjoys spending with his family and being outdoors.


Jonathan Hunter, Sergeant

Sergeant Hunter attended the Texoma Regional Police Academy in 2011 after graduating from Austin College with a Bachelor’s Degree in History in 2010. He first started as a Patrolman with the Van Alstyne Police Department in October of 2011, before joining the Murphy Police Department in November of 2013. Since joining the City of Murphy he has served in the Criminal Investigations Division and on Patrol. He has obtained several certifications and commendations while being a Police Officer, including Life Saving Award, Physical Fitness Award, Accident Reconstructionist, Mental Health Peace Officer Certification, Hostage Negotiator Certification, Animal Control Officer Course Certification, and Officer of the Year Award in 2017. Sergeant Hunter currently holds his Master Peace Officer Proficiency Certification.