An FBI officer inspects the building the suspect lived in Champaign, Illinois, the United States, July 1, 2017. The University of Illinois at Urbana-Champaign (UIUC) visiting Chinese scholar Zhang Yingying, who was kidnapped on June 9, is feared dead. FBI arrested 28-year-old Brendt Christensen Friday on criminal complaint that charges him for kidnapping Zhang on June 9, 2017. (Xinhua/Wang Ping)
