CORONA (CBSLA.com) — Authorities Wednesday were investigating a sexual assault that was possibly committed by a police impersonator in Riverside County.

The investigation stems from an incident that occurred in September 2014 when a woman was driving home around 2:30 a.m. and was pulled over by a dark colored sedan on Railroad Avenue in Corona.

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The car had a “spot light and a forward facing red light,” police said.

The male driver of the vehicle, who was wearing a dark “uniform,” approached the victim’s car and acted like a police officer, the victim said.

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“The suspect directed the female to drive a short distance to a dark street where he forcibly assaulted her inside his vehicle,” officials said.

He is described as a Hispanic man in his mid to late 30s with dark, short hair. He was approximately 6 feet 1 inch tall and had a large build.

“The victim later indicated that she did not see any type of ‘Police’ insignia on his uniform or car and that the inside of his car did not contain any type of police equipment normally found inside a police car,” Corona officials said.

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Anyone with information should contact the CPD at (951)279-3623.