 terror group operations abroad. And as you say, that money is fungible. And it's difficult to stop, and it's difficult to track. Because if you're a Western 501C, if you're a U.S. 501C, and you're giving money to build a youth center in the Gaza Strip, and Hamas is nowhere involved on paper, it's difficult to prosecute that. It's difficult to place interdictions on that without prohibiting vast swathes of charitable work more generally.