Officer Robert Martinez is located at Dorie Miller Intermediate.  Officer Martinez graduated from Lancaster High School, Navarro College, with an Associate’s Degree in Criminal Justice and Navarro College Police Academy.  Officer Martinez began his law enforcement career in 2018 with the Ennis ISD Police Department.  Officer Martinez currently holds an Intermediate Peace Officer certificate and a School-Based Law Enforcement Officer certificate from Texas Commission on Law Enforcement.  Officer Martinez is also a trainer of the Standard Response Protocol and has obtained his certification as an ALERRT lvl1 instructor.  Officer Martinez also serves Bowie Elementary and Crockett Childhood Center.