Officer Eggleston started his career with the Ennis ISD Police Department on November 12, 2018. Officer Sean Eggleston is located at Ennis Jr High. Before that, Officer Eggleston graduated from the North Texas Council of Government Police Academy in Arlington.  Officer Eggleston started his law enforcement career in 1993 as a Police Officer for the Corsicana Police Department. While at Corsicana Police Department, Officer Eggleston worked in the Patrol Division, Criminal Investigation Division, Police Bicycle Officer, S.W.A.T. team for 23 years, also the Community Relations Officer.  Officer Eggleston currently holds a Master Peace Officer certificate, Crime Prevention License, Firearm Instructor certificate, and a Police Instructor certificate from the Texas Commission on Law Enforcement (TCOLE).  Officer Eggleston also holds a CRASE (Citizens Response to Active Shooter Events) instructor certificate. Corsicana Police Dept has awarded officer Eggleston the Medal of Valor.