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Hector Arellano

Chief Investigator

Hector Arellano joined the City of Chicago Office of Inspector General in 2003 as an Investigator, before moving into his current role as a Chief Investigator in 2023. During his 20-year tenure, he has worked on a variety of administrative and criminal investigations coordinating surveillance, engaging in field operations, conducting interviews, and assisting state and federal agencies with joint investigations.

Arellano is a Certified Inspector General Investigator and holds a BS in criminal justice from Loyola University Chicago.

Hector Arellano