They offered proof of Iran’s nuclear plans by showing a picture of an alleged nuclear material storage safe.
Like the Cubans in Miami?
The MEK’s origins go back to the Shah of Iran, the corrupt figure the US had installed as a puppet in Iran, when a group of students organized to attempt to oust him involving attacks and killings, including some Americans. Of course, they were called terrorists by the US. They carried that designation throughout their Saddam Hussein-supported activity in Iraq. Now, most of the US considers them good guys, with several Congressmen actively promoting the group.
You can read about it at the Intercept. Don’t forget your scorecard.
...but hey, do what you want...you will anyway.