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Opening Arguments

One at a time

Just when almost everybody, including some death penalty supporters, has decided that capital punishment does not deter, some evidence to the contrary:

What gets little notice, however, is a series of academic studies over the last half-dozen years that claim to settle a once hotly debated argument — whether the death penalty acts as a deterrent to murder. The analyses say yes. They count between three and 18 lives that would be saved by the execution of each convicted killer.

The reports have horrified death penalty opponents and several scientists, who vigorously question the data and its implications.

So far, the studies have had little impact on public policy. New Jersey's commission on the death penalty this year dismissed the body of knowledge on deterrence as "inconclusive."

We certainly do know that the death penalty deters some killers, if only one at a time.

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