Greenville, N.C. — Authorities found the body of a missing Greenville man who had a cognitive impairment Tuesday morning, according to the Pitt County Sheriff's Office.

A search by a state Highway Patrol helicopter found the body of Roger Crockett Shupe, 58, off a dirt path near where he lived in Belvoir, said Christy Wallace, a spokeswoman for the sheriff's office.

The cause of death hasn't been determined, but no foul play is suspected.

Shupe was reported missing by a co-worker last Friday, Wallace said. A Silver Alert was issued for him Saturday.

Developed in 2007, the Silver Alert system quickly notifies the public about missing, endangered adults who suffer from dementia or other cognitive impairments.

It also allows caregivers and nursing homes to report a person missing. In the past, only a family member could report an adult missing.