When brilliant PhD student Yingying Zhang stepped into a black car at a University of Illinois bus stop, she was simply trying to catch a ride—but she walked into the hands of a killer who had been fantasizing about abduction and murder for months. Security cameras captured her getting into Brendt Christensen's car, but what they couldn't show was the predator who claimed she was victim number thirteen. This is the gripping true story of how an FBI investigation, a girlfriend wearing a wire, and a confession at a victim's own vigil brought down a killer—even though Yingying's body was never found .
