IE 11 is not supported. For an optimal experience visit our site on another browser.

    DATELINE FRIDAY PREVIEW: Poisoned

    00:47

    The unexplained death of a beloved chiropractor becomes a criminal investigation when authorities discover she’d been poisoned. Detectives focus on her own family before an anonymous letter leads them to the unlikeliest of suspects. Andrea Canning reports Friday December 1 at 9/8c on NBC.