In a setback to requests for DNA testing by convicted inmates, the Supreme Court today decided the Alaska case of District Attorney's Office vs. Osborne. The opinion is here (pdf).

In a 5-to-4 decision, the court found against William G. Osborne, a convicted rapist from Alaska. But the decision does not necessarily mean that many innocent prisoners will languish in their cells without access to DNA testing, since Alaska is one of only a few states without a law granting convicts at least some access to the new technology.

“DNA testing has an unparalleled ability both to exonerate the wrongly convicted and to identify the guilty,” the majority conceded, in an opinion written by Chief Justice John G. Roberts Jr. “The availability of new DNA testing, however, cannot mean that every criminal conviction, or even every conviction involving biological evidence, is suddenly in doubt.”

The Innocence Project (which represented Osborne) calls the decision disappointing but of limited impact. ScotusBlog has more. .[More...]