Andrews, 28, was found guilty at Birmingham Crown Court of killing Lee Harvey, who she stabbed 37 times with what police believe was a penknife, in the back, face, neck and chest during a roadside argument last December.
She showed no emotion as Mr Justice Buckley handed down a sentence. In the public gallery, Mr Harvey's parents, Ray and Maureen, and his sister, Michelle, gasped and burst into tears at the verdict. Mr Harvey said later: "We now feel that justice has been done, not for us but for Lee."
Lee Harvey, 25, an unemployed bus driver, died outside his car in Coopers Hill near Bromsgrove, Hereford and Worcester. During a dramatic press conference two days later, Andrews claimed that he was killed by the passenger of a dark Ford Sierra which had pursued them after a motoring row.
No murder weapon was found, but detectives discovered a bloodstain on the inside of Andrews' ankle boot that would have matched a Swiss Army- style knife that they believed was used to kill Mr Harvey.
It is thought that Andrews threw the weapon into a hospital bin during a visit to the lavatory after the attack .
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