Arguably, the most significant advance in the technology of criminal investigation ever is

The appropriate response is DNA printing. DNA fingerprinting was first utilized for test recognizable proof after the geneticist Alec J. Jeffreys from the University of Leicester in Great Britain found that there are examples of hereditary material that are one of a kind to practically every person. He called these monotonous DNA arrangements "minisatellites."

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.