Feds Investigating John Edwards' Use of Campaign Funds

A federal investigation is under way into whether funds from John Edwards' presidential campaign were used inappropriately, the former North Carolina senator acknowledged Sunday.

RALEIGH, N.C. -- Failed presidential candidate John Edwards, whose political action committee paid more than $100,000 to his mistress' company, acknowledged Sunday that federal investigators were looking into how he handled his campaign funds.

But the former North Carolina senator said he was confident no money was used improperly.