Most recently, he pleaded guilty to being a felon in possession of a firearm, or more accurately 34 firearms, along with 31, 000 rounds of ammunition.

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Daniel Fitzsimmons, 31, was found not guilty of possession of a firearm and Hannah Barton was cleared of conspiracy to possess firearms with intent to endanger life and conspiracy to supply controlled drugs.

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American firearms are in high demand because Mexico's firearm laws are highly restrictive and high-powered weapons such as the AK-47-style pistol are deemed for the exclusive use of the Mexican military, U.S. prosecutors said in court documents.

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