CLIO (AP) — Prosecutors say an Alabama man has been indicted after being accused of producing child pornography involving four minors over the course of eight years.

U.S. Attorney Joyce White and Justice Department’s Assistant Attorney General Leslie R. Caldwell announced Wednesday that 53-year-old Gregory Jerome Lee was indicted on charges of child pornography, conspiracy to advertise child pornography and conspiracy to distribute and receive child pornography.

The indictment says Lee took photos of minors and engaged in sexually explicit conduct with them from 1996-2004. He also conspired with others to distribute and receive child pornography beginning in August 2007.

Lee is currently serving a 25-year sentence at the Easterling Correctional Facility.