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Press Release

February 20, 2019

MEDIA ADVISORY: Driver in crash that killed off duty San Bernardino County Sheriff Deputy to be arraigned

Who:                Yijie Mao, 26, Alhambra

What:             Yijie Mao allegedly crashed a BMW X5 into a Chevy Silverado at the intersection of Edison and Euclid in the early hours of February 17, 2019, in Chino. As a result of the impact, 28-year-old Nicholas O’Loughlin of Chino Hills, an off duty San Bernardino County Sheriff Deputy, was later pronounced dead as a result of his injuries.

Mao has been charged with gross vehicular manslaughter while intoxicated, and driving under the influence causing injury with the personal infliction of great bodily injury and faces 10 years in state prison, if convicted as charged. Deputy District Attorney Jack Liu, who is assigned to the Office of Traffic Safety Unit (OTS), has been assigned to this case on behalf of the District Attorney’s Office.

When:              February 20, 2019

Where:           Rancho Cucamonga Superior Court (Dept. R-17)

                        8303 Haven Avenue

                        Rancho Cucamonga, CA 91730

Case #:            FWV19000585

Download a copy of the court documents.




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It is the mission of the San Bernardino County District Attorney's Office to represent the interests of the people in the criminal justice system, as mandated by California State law. The San Bernardino County District Attorney's Office serves the residents of San Bernardino County by: seeking the truth, protecting the innocent; holding the guilty accountable; preserving the dignity of victims and their families; and, ensuring that justice is done while always maintaining the highest ethical standards.

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