Scott Peterson is still guilty of murdering his pregnant wife, Laci Peterson, and their unborn child, in 2002.
However, a California Supreme Court ruling says he won't be put to death because of it.
Newser reports the court upheld the high-profile murder convictions.
However, it ruled 7-0 that the judge in his case made 'clear and significant' mistakes during the death-penalty phase of the trial.
