Nonetheless, Ken Berger, CEO of Charity Navigator, a group that rates charities, said he backs the idea of a single fund in general.

WSJ: Victim-Aid Overhaul Pushed

They're also days when thieves get to work setting up pleas for money via social media, phone calls and text, said Ken Berger, president and CEO of CharityNavigator.org, which monitors scams after disasters, offers advice on giving and rates nonprofits of all kinds.

WSJ: Hoaxes, scams abound after disasters like Boston