Here is his index entry for his arrest in March '65

Brutsche, J. D. Greene Springfield Special Order 64, confining James C. Puckett, guerrilla, in the military prison 03-10-1865 F1388

And his release:

Baker, James H. Saint Louis St. Louis Special Order 176, releasing James Puckett of Morgan County, from Gratiot Street Prison upon his taking the Oath of Allegiance 07-17-1865 F1388

And page from Morgan County Hx showing he was elected Sheriff and Collector in 1860 and served to 1862.
http://freepages.genealogy.rootsweb.ancestry.com/~pattiejo/morgan/hist/section09.html

There is a will from the circuit clerk office in Morgan Co that supposedly has info on family but I am unable to access it.

Just to be complete in references....
John R