"ISIS is making millions and millions of dollars a week selling Libya oil.

Trump on Libya oil, May 19 speech in New Jersey: “Think of Libya. You know they have some of the finest oil in the world. You know who’s got the oil? ISIS has the oil. ISIS.”
It’s true that Islamic State fighters have made numerous attacks on oil fields across Libya, according to news reports. In March 2015, it was even reported that militants believed to be associated with the Islamic State attacked and “took control” of oil fields in Bahi and Mabruk in central Libya. But Claudia Gazzini, a senior analyst for Libya with the International Crisis Group, told us that the Islamic State’s strategy thus far has largely been to disrupt oil operations in Libya rather than to try and make a profit off of them.
For more: “Trump’s Foreign Policy Speech,” April 28