Several men across the United States have been sentenced to lengthy prison terms for crimes involving child pornography and sexual exploitation of minors. In North Texas, a man received a 120-year prison sentence for child pornography and child molestation. A Tucson man was sentenced to nearly 20 years for sexual abuse of a minor. Stuart Mitchell Pieper, 41, from Bastrop, was sentenced to 25 years in federal prison for sexual exploitation of a minor. Court documents revealed that Pieper was part of a private chat group on social media where he posted multiple images depicting the sexual abuse of children. Additionally, an Ogden man was sentenced to 10 years in prison and a lifetime of supervised release for possessing child pornography. Another child predator was sentenced to 120 months in prison, according to a press release.