USAID, the humanitarian agency, has long been a target of criticism that its aid programs masked nation-meddling and overspent American tax dollars abroad. Now Elon Musk has boosted that criticism.

Elon Musk has his sights set on dismantling USAID, the world's largest foreign aid agency. Here's what to know about the agency.

Elon Musk called USAID a criminal organization that should “die.” Proponents say it’s a key arm of U.S. influence that, if destroyed, “cannot be easily rebuilt.”