(ABC News) A woman is behind bars in California, accused of killing a U.S. Navy sailor in a fit of road rage.
Darla Jackson sobbed Tuesday during a court appearance, pleading not guilty to first-degree murder in the May 28 death of Zach Buob, 39. Investigators say Jackson and Buob were in rush-hour traffic when they began arguing.
Police say Jackson chased after Buob and rammed his motorcycle -- pushing him 300 feet until he fell, then running over him.
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"We are talking about something that went from a simple traffic violation to a murder," San Diego CHP Public Information Officer Jake Sanchez said.