Ucla psychology professor albert mehrabian a nonverbal communication expert founf that visual components and the way a speakers voice sounds account for

for 93 percent of the person's believability, while the words used account for only 7 percent.

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.