Body language experts analyze Bryan Kohberger's cold demeanor during his Idaho murder sentencing, revealing moments when his emotionless facade cracked during victim impact statements.

The sister of University of Idaho murder victim Kaylee Goncalves said everything in her body told her to “run” as she came face-to-face with Bryan Kohberger during his sentencing – but instead delivered a powerful, blistering takedown of her sibling’s killer.