John Griffith has been with the League City Police Department since 1992. He began as a dispatcher and was hired as a police officer in 1993. While on patrol, he was trained in traffic accident investigation and as a Crime Prevention Specialist. In 1996, he was transferred to the Criminal Investigations Division and worked as an Investigator and Crime Prevention Officer. In 1997, he became the first Community Outreach Officer, handling all crime prevention and community service programs within the police department. During this time, he worked on many community projects involving safety in the community. John worked with Congressman Nick Lampson on child safety issues in Galveston County. He was a regular speaker for many groups in the area including the Space Center Rotary, The Lions Club, AARP, and the Chamber of Commerce. He was also a special guest instructor at Johnson Space Center for "NASA Safety Day." John spearheaded many youth-oriented community programs such as "Kids n Cops" Summer Softball, "Hoops Over League City" Basketball Tournament, League City "National Night Out" and the LCPD "Blue Santa Program". In 1999, he began to volunteer his spring break to chaperone the Washington DC trip for 5th graders and has chaperoned more than 500 children to the nation's capital.
In 2000, John was trained as a D.A.R.E. Officer and received the award of "Top D.A.R.E. Officer" in his class. He taught the D.A.R.E Program to approximately 10,000 children at 9 elementary schools in League City during his tenure. In 2003, he became the Training Coordinator for the League City Police Department handling firearms and educational training while continuing to teach D.A.R.E. In 2005, he went back to teaching D.A.R.E. full time and was trained in the D.A.R.E. Parent Program. In 2011, John was transferred into the Criminal Investigation Division as a Detective and specialized in fraud and financial crimes. In 2019, John was appointed as the Public Information Officer in charge of social media and media relations.
John holds a Master Peace Officer Certification. He received a bachelor’s degree in interdisciplinary studies from Letourneau University and holds a Master's in Christian Ministry from Liberty University. He is a Police Instructor and has taught in the Police Academy at Alvin Community College and College of the Mainland. He is a Firearms Instructor. He holds an advanced certification in Spanish from the Berlitz Language Center. He is a Crime Prevention Specialist licensed to perform home inspections for safety issues. He has received the Life-Saving Award, Employee of the Quarter Award from the City of League City, The Chief’s Coin of Excellence, a Meritorious Service Award, and a Certificate of Commendation. John also received the Lifetime Member Award from The National Parent Teacher Association and a Commendation from Clear Creek Independent School District for his work as a D.A.R.E. officer.