People.com Crime Father of Woman Accused of Killing 4 People in Oklahoma Crash Says She Was Mentally Ill "She has been very good about hiding her problems," Floyd Chambers said about his daughter, Adacia. By Steve Helling Published on October 26, 2015 05:10 PM Share Tweet Pin Email Photo: Police Handout The father of Adacia Chambers, the woman accused of killing four people and injuring 46 by allegedly plowing her car into them at the Oklahoma State University homecoming parade on Saturday, said that his daughter was in a mental institution two years ago. In a press conference outside the Payne County courthouse on Monday, Floyd Chambers disclosed that Adacia, 25, has battled mental illness. “There could be some underlying issues there,” he told reporters. “She has been very good about hiding her problems because she didn’t want her family to worry about her.” On Saturday afternoon, Chambers’ car careened into a crowd of onlookers, police said. Four people died and 46 more were injured, many of them critically. Authorities said one victim is in a “fragile state,” which could bring the deal toll to five. Chambers was initially arrested for driving under the influence. During an initial hearing on Monday afternoon, prosecutors told the judge that they intend to charge her with four counts of second-degree murder. If the victim said to be currently in a “fragile state” dies, the state reserves the right to add a fifth charge, prosecutors said. The judge ordered that Chambers be held on $1 million bail. Another hearing will be held on November 13. Chambers’ attorney, Tony Coleman, maintained that his client was not driving under the influence, and actually was battling mental illness. “In my opinion, Ms. Chambers suffers from a mental illness,” Coleman told CBS News on Sunday. Authorities have said that Chambers, who worked at Freddy’s Frozen Custard, left work early on Saturday. She drove a half mile to the scene of the crash. An employee at the ice cream shop refused to comment to PEOPLE. Floyd Chambers said that his daughter has his full support. “I’m just going to pour out my heart and soul to her and love her the best I can,” he said, “because I know the little girl I raised.” Want to keep up with the latest crime coverage? Click here to get breaking crime news, ongoing trial coverage and details of intriguing unsolved cases in the True Crime Newsletter.