[DuncanWaring]

To prove that Mexicans get weapons from the US, thus in the interests of international comity American civilian-owned weapons must be restricted.

[justa-hairyape]

There is no one on this planet who could limit American civilian-owned arms at this point in time. Do not think that is the real reason here. If DC is involved, one must look for a very nefarious motive. The collapse of Mexico's governing structure seems to have been achieved, so one must assume that was one of DC’s goals.