Lawyers for former Senator John Edwards said his client committed "many sins but no crimes" and said the charges against him should never have been brought to trial.
Edwards was found not guilty of one count of campaign fraud, and the jury were unable to reach a verdict on the remaining five counts, forcing the judge to declare a mistrial.
More top news
Police have begun a raid on a restaurant where gunmen are suspected to be holding hostages.
Right-wing think tank warns leaving the UK in order to remain in the EU would turn Scotland into 'Greece without the sun'.
A poll of Britain's largest trade union, seen by ITV News, indicates more than half of those surveyed think the Labour leader should quit.