[Red Steel]

Court documents reveal federal agents were watching Adams for years and that some documentation was missing "to determine to whom Adams [was] selling or exporting his firearms."

We'll see.

And

However, a bigger concern is that no markings on the guns and missing documents mean the guns are not traceable by law enforcement.

Marked? Registry? You mean no serial numbers? Hmmmm serial numbers for pre-1968 guns were not required or are they now.

[ronnyquest]

As far as I know, we are not required (yet) to track private sales. These were private sales, which just irritates the feds to no end.