The following excerpt is from Mills v. Miller, CASE NO. 1:16-cv-0689- MJS (PC) (E.D. Cal. 2016):
sentence was reversed, expunged, or otherwise invalidated. The Heck bar preserves the rule that federal challenges, which, if successful, would necessarily imply the invalidity of incarceration or its duration, must be brought by way of petition for writ of habeas corpus, after exhausting appropriate avenues of relief. Muhammad v. Close, 540 U.S. 749, 750-751 (2004).
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