A Greenville man who was arrested Tuesday night for having child pornography is now accused of producing child sexual abuse material on several occasions, according to arrest warrants. Bradly Eugene Post, 65, of Greenville, was previously charged with third-degree sexual exploitation of a minor.Lt. Ryan Flood said the arrest was following an unrelated investigation that led investigators to the discovery of child pornography in his possession.On Thursday, Post was charged with five counts of first-degree sexual exploitation of a minor after investigators discovered Post had produced child sexual abuse material on at least these five instances, Flood said. Flood said the investigation is ongoing and additional charges are possible. Post is still in the Greenville County Detention Center.