(January 6, 2017, 10:28 AM EST) -- ST. LOUIS — There was no error in permitting a special agent to testify from her training and experience on the operation of sex-trafficking rings and the terms used, the Eighth Circuit U.S. Court of Appeals ruled Jan. 3 (United States of America v. Rahmad Lashad Geddes, Nos. 15-3731 & 16-3898, 8th Cir.; 2017 U.S. App. LEXIS 8)....