Our story continues two years later in Colorado where detectives in four neighboring towns combine resources to run down a serial rapist.

FBI Director James Comey gave a speech this week calling for law enforcement to redouble itsefforts to serve the black community, and calling for a conversation about race in policing. Producer Robyn Semien has noticed that local big city police chiefs do not think race is a factorin the newsmaking incidents where white officers kill unarmed black men.