[AlaskaErik]

He presumably had an FFL holder among his personal staff or Secret Service detail. From the Gun Control Act of 1968:

That would be a straw purchase, which is totally illegal.

[Zhang Fei]

[That would be a straw purchase, which is totally illegal. ]

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A Texas judge nullified the law against indictees being able to purchase guns. The FFL holder would be needed to transfer the gun for an interstate purchase. But, this is moot, because the purchase never occurred, as was clarified by Palmetto State Armory.