A Whittier man prosecutors say killed three people in a 2016 street racing crash — including two Santa Clarita Valley teens — had his hearing postponed Monday.

Dealio Lockhart, 38, is charged with three counts of second-degree murder and four counts of reckless driving causing injury — which killed Santa Clarita residents and College of the Canyons students Brian Lewandowski, 18, and Michelle Littlefield, 19, as well as UPS driver Scott Treadway, 52, according to officials.  

It is alleged that Lockhart was racing his Dodge Challenger with another vehicle around midnight when the incident involving more than 10 cars occurred, February 27, 2016, near the City of Commerce.

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In addition to the three fatalities, four others were seriously injured: two men in a vehicle, and a man and a woman in separate cars.

Lockhart faces life in prison if convicted, according to officials. He is scheduled to return to court on Oct. 31 for a preliminary hearing.

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