MAJOR GARRETT: But Trump also veered into territory where the facts don't follow repeating the farfetched tale of watching a secret video of the currency exchange in Iran at the time the U.S. Hostages were released in January. 

[…]

GARRETT: There's no evidence of such a video, and the one his campaign says he was talking about shows the hostages in Switzerland, not the transfer of funds in Iran. 

Previously:

President Obama Debunks Right-Wing Media Myth That Iran Was Paid A Secret “Ransom”

CNN National Security Analyst Debunks Claims That Obama Administration Paid “Ransom” To Iran

Right-Wing Media Distort WSJ Article To Claim Obama Administration Made Secret Payment To Iran