Cato Institute
Policy Analysis
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Page 8
Separation of Powers and the Fourth Amendment
In his famous treatise, Commentaries on the Constitu-
tion of the United States, Justice Story wrote that the
provisions of the Fourth Amendment were "doubtless occa-
sioned by the strong sensibility excited, both in England
and America, upon the subject of general warrants almost
upon the eve of the American Revolution."  Story also re-
marked that the Fourth Amendment is "little more than the
affirmance of [the] great constitutional doctrine of the
common law."12
At first blush, Story's statements about the Fourth
Amendment may seem inconsistent and implausible.  After
all, why would the American revolutionaries revolt against
Great Britain and its general warrants only to turn around
and incorporate English legal principles into their own
Bill of Rights?  The answer to that question lies in the
distinction between the common law (judge-made law) and
statutory law (legislative law).  The early Americans
admired the English common law with respect to searches
and seizures, but they detested the statutory laws of
Parliament--precisely because those legislative acts flout-
ed common-law principles.
Under the common law, the courts issued only special
warrants, which carefully circumscribed the power of Crown
officers.  Parliament, however, had the discretionary power
to authorize nonjudicial officials to issue the much de-
spised general warrant, which was notorious for its sweep-
ing and open-ended terms.  Against that background,
Story's commentary on the Fourth Amendment makes perfect
sense.  The Fourth Amendment "constitutionalized" the com-
mon-law principles of search and seizure so that Congress
could not dilute or distort those principles with the sim-
ple passage of a statute.
Executive Warrants, Multiple Officeholding, and
Writs of Assistance
During the 1730s the British government sought to
prevent the American colonies from conducting business with
non-English industries.  To enforce the trading restric-
tions, Parliament authorized the issuance of general search
warrants that were called writs of assistance.  Those
writs conferred broad discretionary powers on individual
officials to enter homes and shops in search of contra-
band.  Disruptions during the French and Indian War pre-
vented the writs from being widely used, but once that
conflict ended, British officials turned their attention to