Where a jury was capable of identifying the age of individuals in a child pornography case, expert testimony was not necessary.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Jon E. DeGuilio, Northern District of Indiana.Shawn Dewitt was living in Lafayette, Ind., with his fiancee, 3-year-old son and 4-year-old daughter when he began chatting with Timothy Palchak regarding an anonymous phone application. The two men met in an online group called Open Family Fun. Unbeknownst to Dewitt …