(CBS/AP)

SEYMOUR, Tenn. (WVLT) -- Investigators are searching for two persons of interest who may be able to help them find out what led to the death of a Seymour man found laying in his yard on Friday night.

Sevier Co. Sheriff's deputies were called to the home, 1402 Joshua Lane, off Old Sevierville Pike shortly before 8:30 p.m. where they found the victim, 48 year-old Raymond L. Ryan dead.

An autopsy, performed on Saturday, determined Ryan's death to be a homicide, caused by injuries he sustained.

Anyone with information is asked to contact the Sevier Co. Sheriff's Office Criminal Investigation Unit at 428-1899 or the T.B.I. at 1-800-TBI-FIND.