A judge has set a trial date for a woman charged with crashing into a crowd at the Oklahoma State homecoming parade and killing four people.

The judge on Wednesday ruled that Adacia Chambers will tentatively go to trial Jan 10. Prosecutors have estimated that it could take a month to try the case.

Chambers has pleaded not guilty to four counts of second-degree murder and 42 counts of assault and battery in the Oct. 24 crash.

Prosecutors say Chambers intentionally drove around a police barricade and into the spectators. Defense attorney Tony Coleman has said Chambers is mentally ill.

Chambers was found competent to stand trial in December.