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George Estes turned up around 7:15 a.m. Tuesday, following an all-night search for him.
Someone saw him sitting on a sidewalk and walked him several blocks back to his home.
Estes had left his home shortly before 4:00 Monday afternoon and did not return. He was believed to be 'at risk' due to an undisclosed medical condition.
Two law enforcement agencies, along with 50 volunteers and several dogs searched the area along Treat Boulevard before he turned up.
He appears to be okay, but is being taken to a hospital for a checkup.
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