Kennedy cousin Michael Skakel is asking the U.S. Supreme Court not to hear the prosecution's appeal of his case's dismissal.
Skakel says he was unjustly convicted of the 1975 Greenwich murder of Martha Moxley because of inexcusable errors by his lawyer.
Skakel served eleven years of a 20 years to life sentence when his conviction was overturned in 2013 and a new trial was ordered.
Prosecutors are asking the nation's highest court to overturn the state Supreme Court's reversal of his conviction.
The Connecticut Supreme Court first upheld the conviction, then reversed its own decision because of the mistakes made by attorneys.
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