Obama broke the law making the $1.7B payment to Iran.

In sum, the Obama administration has provided Iran with $400 million under circumstances in which it well knows that at least some of this cash will be used for terrorism. Indeed, as the editors point out, by providing the money in cash, Obama makes it more likely that it will be used for terrorism: Iran likes to deny its complicity in jihadist acts; so now, flush with cash, it can fund atrocities without leaving a paper trail.

The second law involves money laundering, criminalized by Congress in Section 1956 of the penal code. There are several prohibited varieties of money laundering. It can be a crime, for example, to conduct a financial transaction involving money used to facilitate unlawful activity. And if money is transferred outside the United States, it can be illegal to use it to promote criminal activity.