CHICAGO (AP) — The Latest on the extradition of a Northwestern University professor Wyndham Lathem and Oxford University staffer Andrew Warren (all times local): 12:53 a.m. A Northwestern University professor accused with another man in the brutal stabbing death of a 26-year-old hair stylist has returned to Chicago from California to face murder charges. Chicago police escorted 43-year-old Wyndham Lathem to Chicago early Saturday. He and 56-year-old Oxford University financial officer Andrew Warren are charged with first-degree murder in the death of Trenton James Cornell-Duranleau, a Michigan native who had been working in Chicago.