A pint-sized 26-year-old Nebraska man posed as teenage student to “blend in” at two high schools last year — and now he’s been nabbed on sexual assault and sex trafficking charges, officials alleged. Using the alias Zak Hess, Zachary Scheich pretended to be a 17-year-old junior to enroll at Northwest High School in Lincoln and then transferred to Southeast High School to commit the alleged crimes, the Journal Star reported, citing local police. “I’ve been in the district for 10 years, and this is the first time that I can remember something like this happening,” Lincoln public schools security chief...