Cato Institute
Policy Analysis
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cerned lawyers can agree."10
Complementarity and Diminished Sovereignty
Proponents of the ICC also argue that the court is
meant to complement, not replace, national criminal justice
systems.  The court theoretically would take action only
when national courts fail to fulfill their legal responsi-
bilities.  In fact, the preamble to the ICC draft statute
states that the court "is intended to be complementary to
national criminal justice systems in cases where such trial
procedures may not be available or may be ineffective."  The
determination of a domestic system's "ineffectiveness,"
however, is one of the areas where the rationale for the ICC
breaks down.  If the ICC cannot readily supersede national
courts, a state that wants to avoid having its soldiers
prosecuted for war crimes by the ICC need only organize a
national trial or pass a law that makes it virtually certain
that they will be acquitted.11  If states can get away with
that, however, the whole point of the ICC is defeated; that
is, war crimes will continue to go unpunished.  On the other
hand, if the ICC gets to invalidate national trials by
deciding what constitutes an "effective" or "ineffective"
trial, the international court will exercise a kind of
judicial review power over national criminal justice sys-
tems.  In other words, the ICC will have de facto supreme
judicial oversight.
The ICC will also become an unavoidable participant in
the national legal process.  Indeed, because it will set
precedents regarding what it considers "effective" and
"ineffective" domestic criminal trials, the ICC will indi-
rectly force states to adopt those precedents or risk having
cases called up before the international court.  That con-
stitutes an unprecedented change in the sources of national
lawmaking, one that diminishes the traditional notion of
state sovereignty.
But the prospect of diminished sovereignty does not
worry many advocates of the ICC.  Legal scholar Sandra
Jamison, for example, argues that the United States and
other nations must be prepared to cede some of their tradi-
tional sovereignty in pursuit of a potent international
criminal court.  "The absolute doctrine that a state is
supreme in its own authority, and need not take into account
the affairs of other nations," she says, "is no longer tena-