Rena Baker: Troubling details revealed in search for missing Chicago mom

CHICAGO - Chicago police are looking for a dental office employee who has vanished from the South Side.

Rena Baker, 39, was last seen on Wednesday at 76th and King Drive in the city's Chatham neighborhood, according to her family. She was captured on surveillance video leaving her friend’s house and getting into her car.

The maroon Hyundai Sonata with Illinois license plate Z709627 was spotted by license plate readers on the Dan Ryan.

UPDATE: Body found inside car matching description of missing Chicago mom's vehicle

"On 79th and the Dan Ryan the police were able to see her vehicle to about 91st on the Dan Ryan," said Andre Baker. "We don’t know where she is at though."

Her brother says she left her cellphone at home and the direction the car traveled in is strange.

"It doesn’t make sense," he said. "She could have gone straight down King Drive to get home."

Rena Baker | CPD

Baker is a mother of three young children and works at a dental office near 51st and Pulaski in Archer Heights.

"She was supposed to pick up her son [from school]. She’s always there on time and she wasn’t there," said Andre.

The 39-year-old also missed a milestone in her daughter’s life.

"She graduated today. This was supposed to be a celebratory day and the poor baby didn’t have her mom there," said Andre.

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Baker is 5'3" tall and 130 pounds, police said. She is African American, with black hair and brown eyes.

Anyone with information is urged to contact CPD's Special Victims Unit at 312-747-8274.