Michael B. Osburn, 31, of Stone County, pleaded guilty to 30 counts of distributing, possessing, and viewing matter depicting sexually explicit conduct involving a child.

More than 16,000 sexually explicit images of infants and children were found on his cell phone. The judge sentenced Osburn to 50 years to be served in the Arkansas Department of Corrections.

Osburn was sentenced to an additional 26 years for pleading guilty to two counts of failing to register as a sex offender and three counts of fourth-degree sexual assault.

Michael B. Osburn, 31