As the lawyers for imprisoned former state Sen. Vincent J. Fumo see it, the prosecutors who appealed his 55-month sentence as too lenient made a serious tactical blunder.

And in their own appeal, the Fumo defense team is hoping to set a huge precedent in the area of juror misconduct via the Internet by arguing that a juror who posted on Facebook and Twitter to announce that a verdict was imminent should have been removed from the jury.