HICKSVILLE, N.Y. (CBSNewYork) — A teen from Hicksville, Long Island was found dead Tuesday – the day after he disappeared and was reported missing.

Kieran Walsh, 18, was last seen in Hicksville home just after midnight Monday morning, Nassau County police said.

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He suffered from mental disabilities, police said.

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Late Tuesday, Walsh was found dead outside near 828 S. Oyster Bay Rd. in Hicksville, police said.

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The preliminary investigation of death does not indicate any foul play, but the Nassau County Medical Examiner’s office must conduct an autopsy, police said.