STILLWATER, Okla. (AP) — Authorities have identified the child killed in the Oklahoma State University homecoming parade crash as 2-year-old Nash Lucas, whose mother is a sophomore at the school.

Oklahoma medical examiner's office chief investigator Timothy Dwyer released Nash's name Monday. Stillwater police identified the three adult victims Sunday as 23-year-old Nakita Prabhakar Nakal and a married couple, Bonnie Jean Stone and Marvin Lyle Stone, who were both 65.

Dwyer says all four victims died of multiple blunt-force injuries.

Oklahoma State says Nash's mother, 20-year-old Nicolette Strauch, is majoring in chemical engineering and also works at the school's parking and transit department.

Police say Strauch was treated and released from the hospital for her injuries. A GoFundMe account for her family had raised more than $35,000 by Monday morning.

An attorney representing 25-year-old Adacia Chambers says she had "no real response whatsoever" when he told her that four people were killed after she crashed her car into an Oklahoma State homecoming parade.

car slams into crowd at OSU homecoming parade
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Tony Coleman told NBC's "Today" show Monday that Adacia Chambers was hospitalized two years ago for an unspecified mental illness. He says he believes Chambers wasn't under the influence of alcohol or drugs at the time of Saturday's crash, but that she was mentally ill.

But Stillwater Police Capt. Kyle Gibbs said authorities believe Chambers was under the influence of alcohol or drugs. Gibbs told ABC's "Good Morning America" Monday that authorities haven't seen signs of mental illness in Chambers, though she has made no statements to investigators so far.

Gibbs says 17 people remain hospitalized, including five in critical condition.

Chambers is scheduled to appear Monday in Payne County District Court. Chambers faces a charge of driving under the influence and four counts of second-degree murder.

Tony Coleman, who is defending Chambers, said at a news conference Sunday that he believes his client suffers from a mental illness but doesn't think she was drinking before the crash.

Police are awaiting blood tests to determine if she was impaired by drugs or alcohol.

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