The justices in a 6-3 vote on nonideological lines handed a win to defendant Joseph Fischer, who is among hundreds of Jan. 6 defendants — including former President Donald Trump — who have been charged with obstructing an official proceeding over the effort to prevent Congress’ certification of President Joe Biden’s election victory.

The court concluded that the law, enacted in 2002 as part of the Sarbanes-Oxley Act after the Enron accounting scandal, was only intended to apply to more limited circumstances involving forms of evidence tampering, not the much broader array of situations that prosecutors had claimed it covered.