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Captain Justin Diez is a 23-year veteran of the Los Angeles County Sheriff’s Department. He was promoted to the rank of Captain and assigned to the Santa Clarita Valley Sheriff’s Station in March of 2020. The Santa Clarita Valley Sheriff’s Station is located 26 miles north of Los Angeles and provides law enforcement services to approximately 290,000 residents. The City of Santa Clarita is the third largest city in Los Angeles County, with a population of approximately 220,000 residents. An additional approximately 70,000 residents live in the un-incorporated area of the Santa Clarita Valley.
 
Captain Diez entered the Sheriff’s Training Academy in December of 2000. Upon graduating from Academy Class #327, he was assigned to the Pitchess Detention Center – North County Correctional Facility. He also served as a deputy at various assignments including Transit Services Bureau, Community Oriented Policing Services Bureau, and Operation Safe Streets Bureau. Upon his promotion to sergeant in 2010, Captain Diez was assigned to Lancaster Station, Community Oriented Policing Services Bureau, and Internal Affairs Bureau. After being promoted to lieutenant in 2015, Diez was assigned to Lancaster Station, Internal Affairs Bureau, Santa Clarita Valley Station, Lost Hills Station, and the Hall of Justice.
 
Captain Diez holds a Bachelor of Arts Degree in Sociology/Criminology from California State University Northridge and a Master of Science Degree in Criminal Justice from the University of Cincinnati Ohio.
 
Captain Diez has been a resident of Santa Clarita Valley for over 21 years and lives with his wife and two children.