Belleville resident, Steven M. Zachman, an active duty airman stationed at Scott Air Force Base, Illinois, pled guilty in federal district court to a one-count felony information charging that he knowingly transported obscene matters in interstate commerce, according to the United States Attorney for the Southern District of Illinois, Stephen R. Wigginton.  Zachman is scheduled for sentencing on July 24, 2015.  Zachman faces a maximum penalty of 5 years in federal prison, a $250,000 fine and 3 years supervised release.  Court documents indicate that from August to November, 2013, Zachman knowingly used the photosharing and social networking website, Tumblr.com, to upload to the Internet digital images and videos depicting graphic bestiality, as well as approximately 20 images of prepubescent minors engaging in sexually explicit conduct.  As part of his plea, Zachman admitted that the images he uploaded were obscene.