Deputies responded to a call about a suicide at 23000 Holly Ridge Road, near FM-1314 and Sorters Road, at 9:25 p.m. Sunday.
At the scene, deputies found a 34-year-old man with a gunshot wound.
Although the initial call was about a suicide, deputies said a preliminary investigation indicated it was actually a homicide.
The investigation into exactly what happened to the man is ongoing.
Deputies did not provide any information on a possible suspect or motive in the man's death.