Investigator Austin Pierce is located at Ennis Junior High School. Investigator Pierce graduated from Scurry-Rosser High School, Stephen F. Austin State University with a Bachelor's Degree in Criminal Justice, and the North Central Texas Regional Police Academy in Arlington. Investigator Pierce began his law enforcement career in 2021 with the Waxahachie Police Department before transitioning to the school setting with the Ennis ISD Police Department in 2022 before being promoted to the role of Investigator in August 2024.

Some of Investigator Pierce’s certifications include:

- Intermediate Peace Officer Certification

- School-Based Law Enforcement (SBLE) Officer Certification

- Field Training Officer

- Criminal Investigations Training

- Patrol Rifle Certification

- Ballistic Shield Certification

- Standard Response Protocol (SRP) Trainer 

- Advanced Law Enforcement Rapid Response Training (ALERRT) Certification

- Advanced Law Enforcement Rapid Response Training - Active Attack Integrated Response (ALERRT AAIR) Certification