The Suffolk County Police Department has issued a Silver Alert...

The Suffolk County Police Department has issued a Silver Alert regarding a missing person who suffers from a mental disability. Marc Smith, 35, was last seen at 11:15 a.m. at his residence in Bay Shore. (June 12, 2012) Credit: SCPD

Suffolk County police on Wednesday said a missing mentally disabled Bay Shore man has been found unharmed.

Police earlier in the day had issued a silver alert for Marc Smith, 35, who was last seen at 11:15 a.m. Tuesday at his home on Dartmouth Drive.

The silver alert program is designed to inform local media, hospitals and law enforcement agencies when a senior citizen or individual suffering from mental or cognitive disorders is missing.

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Pool safety for adults ... New adventure park in Westbury ... Get the latest news and more great videos at NewsdayTV

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Pool safety for adults ... New adventure park in Westbury ... Get the latest news and more great videos at NewsdayTV

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