In this powerful premiere of KBR: On the Mark, hosts Anita Marks and Nevin Shapiro are joined by Gregory Yankow, a recently retired FBI special agent with 23 years of experience and the former lead investigator on the Nevin Shapiro case. Together, they take a deep dive into the headline-dominating University of Idaho quadruple homicide, the chilling details of the Bryan Kohberger investigation, and the disturbing psychology behind one of the most talked-about suspects in recent true crime his...