SPRINGFIELD, Mo. – A Springfield sex offender has pleaded to federal child porn charges.

According to Tammy Dickinson, U.S. Attorney for the justiceWestern District of Missouri, Gary Thomas Sheldon, 52, of Springfield, a registered sex offender, pleaded guilty to receiving and distributing child pornography from October 2014 to July 2015. Sheldon had to register as a sex offender after being convicted in January of 2001 to possessing child pornography.

Sheldon now faces a minimum sentence of fifteen years in federal prison without parole.