Alvin E. Sanders III, 27, of Jefferson County, was arrested Tuesday on charges related to distribution and possession of matter portraying a sex performance by a minor.
He is charged with one count of distribution and 20 counts of possession of matter portraying a sex performance by a minor, according to Kentucky State Police.
The arrest resulted from an undercover Internet Crimes Against Children investigation launched after Sanders was found to have been sharing images of child sexual exploitation online, police said.
Sanders is in the Louisville Metro Department of Corrections. Additional charges are expected.