Justices : Judges may not use federal civil rights law to get advanced DNA testing . Some states have laws requiring post - conviction access to such evidence . William Osborne was sentenced two years ago for murdering an Alaska woman .
Justices : Inmates can not use federal civil rights law to get advanced DNA testing . 44 states have laws allowing post-conviction access to such evidence . William Osborne was sentenced 15 years ago for raping an Alaska woman .