"We had concerns that Iran may renege on the prisoner release," Kirby said, citing delays and mutual mistrust between countries that severed diplomatic relations 36 years ago. As a result, he explained, the U.S. "of course sought to retain maximum leverage until after the American citizens were released. That was our top priority."Both events occurred Jan. 17, fueling suspicions from Republican lawmakers and accusations from GOP presidential nominee Donald Trump of a quid pro quo that undermined America's longstanding opposition to ransom payments.
Shipping piles of money in different types of currency in the middle of the night do a great deal to "fuel suspicions."