N.Y. dentist accused of murder speaks to "48 Hours" in his only TV interview
When an autopsy reveals an unusual sedative in the body of a man found dead in his car, fingers point to his best friend, a well-regarded dentist. But was it murder or did he die of natural causes? Richard Schlesinger joins "CBS This Morning" to preview his all-new "48 Hours" airing Saturday at 10/9c.