Oklahoma woman charged in parade crash that killed 4

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STILLWATER, Okla. (AP) -- A woman accused of running a red light and purposely driving around a barricade and over a police motorcycle before crashing into spectators at Oklahoma State University's homecoming parade was formally charged Tuesday with four counts of second-degree murder and 46 counts of felony assault.

Payne County District Attorney Laura Thomas filed formal charges against 25-year-old Adacia Chambers of Stillwater. Each murder count is punishable by at least 10 years in prison.

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19 PHOTOS
Driver crashes through Oklahoma State homecoming parade, Adacia Chambers
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Oklahoma woman charged in parade crash that killed 4
This photo provided by the Stillwater Police Department on Saturday, Oct. 24, 2015 shows Adacia Chambers. Police said Chambers plowed her car into a crowd of spectators Saturday during the Oklahoma State University homecoming parade. (Stillwater Police Department via AP)
Oklahoma State students Kelly Cooke, right, and Rebecca Buchanan read messages on a memorial in Stillwater, Okla., Saturday, Oct. 24, 2015, near where a car crashed into spectators during the Oklahoma State University homecoming parade killing multiple and injuring several others. (Sarah Phipps/The Oklahoman via AP)
STILLWATER, OK - OCTOBER 24: Emergency officials stand over a crash scene including a wrecked police motorcycle after a suspected drunk driver crashed into a crowd of spectators during the Oklahoma State University homecoming parade near the Boone Pickens Stadium on October 24, 2015 in Stillwater, Oklahoma. The car slammed into a crowd, killing three and injuring at least 22 before the Kansas Oklahoma State football game. (Photo by J Pat Carter/Getty Images)
Emergency personnel and spectators respond after a vehicle crashed into a crowd of spectators during theOklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka. (David Bitton/The News Press via AP)
STILLWATER, OK - OCTOBER 24: Emergency officials stand over the car that was involved after a suspected drunk driver crashed into a crowd of spectators during the Oklahoma State University homecoming parade near the Boone Pickens Stadium on October 24, 2015 in Stillwater, Oklahoma. The car slammed into a crowd, killing three and injuring at least 22 before the Kansas Oklahoma State football game. (Photo by J Pat Carter/Getty Images)
Police investigators look over the scene after a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
A damaged police motorcycle rests in the intersection after a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
Police investigate a damaged car after the vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
Emergency personnel gather a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
Police investigate a damaged car after the vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
A damaged police motorcycle rests in the intersection after a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
Emergency personnel respond after a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka.(AP Photo/Brody Schmidt)
Emergency personnel respond to the scene of an accident after a vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka. (David Bitton/The News Press via AP)

This photo courtesy of Geoff Haxton, police investigate a damaged car after the vehicle crashed into a crowd of spectators during the Oklahoma State University homecoming parade, causing multiple injuries, on Saturday, Oct. 24, 2015 in Stillwater, Oka. (courtesy of Geoff Haxton via AP)

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Chambers has remained jailed in Stillwater on $1 million bond since the Oct. 24 crash that left four people dead and at least 46 others hurt, including many children.

In Oklahoma, second-degree murder charges are warranted when someone acts in a way that's "imminently dangerous to another person" but does so without premeditation.

A telephone message left Wednesday with Chambers' attorney, Tony Coleman, wasn't immediately returned.

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Coleman has previously said that when he told Chambers about the deaths, "her face was blank." He said that he was not sure Chambers was aware that she was in jail.

Chambers' father, Floyd Chambers, has said previously that his daughter had received inpatient mental health treatment several years ago, but that nothing seemed amiss recently, except that his daughter had recently called and said she wanted to move back home.

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Several Items Removed From Chambers' Home

The crash killed three adults and a 2-year-old boy, Nash Lucas. The adults were identified as Nikita Nakal, a 23-year-old MBA student from India at the University of Central Oklahoma in Edmond, and a married couple, Bonnie Jean Stone and Marvin Lyle Stone, both 65, of Stillwater.

The city of Stillwater and Oklahoma State University held a community-wide memorial service Tuesday at Gallagher-Iba Arena to honor those killed and celebrate the lives of those who were saved and the first responders. A brief benefit concert followed the memorial.

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