Mary Darleen Wible was last seen on Oct. 8 leaving her residence near Commonwealth and Garfield in Alhambra. (courtesy Alhambra PD)

ALHAMBRA (CBSLA.com) — Police on Tuesday sought the public’s help in locating a critical missing adult.

Mary Darlene Wible, 51, was last seen at approximately 4:00 p.m. on Monday leaving her residence near the intersection of Commonwealth and Garfield Avenues in Alhambra, where she lives with her sister.

Wible has been diagnosed with a mental illness and is possibly not taking her medication.

She is described as a Caucasian woman; 5’ 06”, 170 lbs, with auburn hair and brown eyes. She was last seen wearing lime green Capri pants, a floral print shirt and white shoes.

Anyone who has any information on Wible is asked to call Detective Orozco at (626) 570-5187 or the Alhambra Police Department at (626) 570-5151.