This could be a sign that the recipients of that massive looting know the gig (jig?) is up.
Oil prices could be coming down simply because the world economy is so stagnant their is a glut.
Now that so many countries are trying to devalue their currency in a "race to the bottom," the U.S. dollar has gained considerable strength. Hence, any commodity priced in dollars gets cheaper here in the U.S.
You're seeing the same thing in gold and other precious metals, too.