James Witcher's unit was the outfit David (Dave) Scalf was with.

Sullivan County Reserves, Local Defense Troops
Organized in June, 1863, by the Commandant for Conscripts for Kentucky and
East Tennessee, in Sullivan County.

Officers were:

Major - C. Johnston, commanding
Captains-
Owen M. White, "The Jackson Home Guards", 1st Company

G.R. McClelland, 2nd Company

J.M. Crumley, 3rd Company

James Witcher, "The Zollicoffer Mounted Rifles", 4th Company. This was
originally mustered as a mounted company, but later served as infantry. Its
members came from south of the river in Sullivan County and from the lower
edge of Washington County.