The case of a Santa Clarita wrong-way driver who allegedly stole a car and caused a fatal five-vehicle collision on the 210 Freeway has been transferred to mental health court, officials said Friday.

“The defense declared a doubt as to her mental ability to assist in her own defense,” said Ricardo Santiago, a spokesperson for the District Attorney’s office. “The criminal proceedings were suspended and the case was transferred.”

In May, Nicole Thibault, 28, of Santa Clarita, pleaded not guilty to one count of murder, one count of grand theft, six counts of attempted murder and six counts of assault with a deadly weapon, according to the Los Angeles County District Attorney’s Office.

Prosecutors said that on Jan. 22, Thibault stole a parked truck in San Bernardino. She then allegedly drove through red lights at unsafe speeds before entering the 210 Freeway, prosecutors added.

Inside the stolen vehicle was a two-year-old child, who was sitting in the back seat, according to CHP officials.

About a mile from where the car was stolen, the woman pulled over, carried the boy out of the car and left him on a sidewalk near Temple and H streets, according to authorities.

Related: Wrong-Way Driver Pleads Not Guilty To Fatal 210 Crash

The child was found safe, San Bernardino Sheriff’s officials said.

Thibault then allegedly entered the 210 Freeway going the wrong direction, traveling west in the eastbound lanes for over 20 miles. She then collided head-on with several cars, according to prosecutors.

Responding CHP Units attempted to get into position to stop the vehicle; however, a pursuit was never initiated, officials said.

“As the Ford F-150 continued traveling wrong-way within the center median of SR-210, for unknown reasons it veered into oncoming traffic and collided with 4 vehicles,” according to CHP officials. “It is unclear where the Ford F-150 entered the freeway and why the suspect was driving wrong-way.”

Daniel Castillo, 69, died from injuries sustained in the crash. Six other victims also suffered injuries, prosecutors said.

If convicted as charged, Thibault faces a maximum possible sentence of 57 years to life in prison.

Thibault is set to return to court on Aug. 9 for a mental health court update, according to the D.A’s Office.

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