California man missing from Saddlebrooke facility

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TUCSON, Ariz. -- There is still no sign of a California doctor who walked away from the Sierra Tucson facility in Saddlebrooke.

Friends say Ken Litwack admitted himself to the center last week to deal with some on-going mental health issues.

The last time anyone saw him was Tuesday afternoon.

Ken is 5'11" tall, weighs 150 pounds and has grey hair.  He was last seen wearing a white polo and blue athletic pants.

Anyone with information is asked to call the Pinal County Sheriff's Office.