Barnes, from Baydon near Swindon, was also driving erratically when she hit and killed teacher Diane Wright in September 2010. Her car was crushed and she died at the scene.
Barnes is at Swindon Crown Court for her sentencing, having eventually pleaded guilty to dangerous driving after going on the run in Holland for 18 months.
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A woman and two young children have been seriously injured after being hit by a car near a seaside holiday park in Somerset.
Showers on Saturday and Sunday, some heavy, but sunny on the bank holiday
Some cloud tonight, showers Saturday and Sunday, sunny on Monday