Search Underway for Missing 18-Year-Old in Tioga County

UPDATE: New York State Police say 18-year-old Dalton G. Malmstrom has been found deceased in the Susquehanna River.

A major search is underway in Tioga County for a missing 18-year-old from Nichols.

Emergency responders and volunteers from both New York and Pennsylvania have joined the effort to find Dalton G. Malmstrom, who was last seen on Saturday morning, May 9, 2026.

Dalton Was Last Seen Near East River Road

According to New York State Police, Dalton was last seen leaving his home in the 2100 block of East River Road, near the Susquehanna River, around 7:45 a.m.

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Family members told authorities Dalton had not been acting like himself before he left.

Police Shared Dalton’s Description

Dalton is described as 5 feet 10 inches tall with dark hair. He was last seen wearing a dark-colored shirt. Police say the photo shared with their missing person notice is a current image of Dalton.

Anyone With Information Should Call Police

Anyone who has seen Dalton or knows where he may be is asked to contact New York State Police immediately at (607) 561-7400.