WHITE SETTLEMENT, Texas — Lieutenant Denise Callahan is set to retire from the City of White Settlement on January 31, 2025, concluding a 25-year career in law enforcement. Callahan began her journey as a Reserve Police Officer in 1999 and became the first female lieutenant in 2020.Callahan’s career milestones include her promotion to Corporal in 2006 and her historic advancement to the first female sergeant in 2017, according to the White Settlement Police Department. In 2022, she was appointed by Chief Cook to lead the newly established Support Division. Her educational achievements include a Master’s Degree from Tarleton State University and a Master Peace Officer Certificate from the Texas Commission on Law Enforcement.Throughout her career, Callahan has been a…..