alcohol is not believed to be involved in the crash , payne county district attorney laura austin thomas said sunday .
adacia chambers is being held in jail on four counts of second - degree murder for saturday morning , a 25 - year - old stillwater woman found herself in handcuffs , accused of mowing down a crowd at the oklahoma state university homecoming parade , injuring dozens more .
 
investigators are still waiting for the toxicology results .
tony coleman spoke sunday and says he spent a little over an hour with chambers saturday night .
adacia chambers , 25 , is charged in connection with plowing her car into a crowd of people watching the end of the osu homecoming parade saturday morning .
chambers , 25 , is set to appear in court on monday , the stillwater police department said in a statement .
i ' m not a psychologist or psychiatrist , but i can tell you she 's suffering from mental illness , ” coleman says he is trained in dui and dwi detection and says his client did not suffer from any of the normal signs of having been drunk or under the influence of drugs .
the saturday crash at the oklahoma state university parade killed a toddler , a graduate student and a couple who 'd worked at the school for decades , officials said .