On March 29, U.S. Customs officers at a Yuma, Arizona port of entry intercepted $150,000 in unreported currency being transported southbound from the United States into Mexico. The money — a combination of U.S. and Mexican currency — was concealed in a duffel bag and hidden inside unopened soda cans.

The Yuma news coverage correctly summarizes the legal framework:
Individuals are permitted to carry any amount of currency or monetary instruments into or out of the U.S. However, if the quantity is $10,000 or higher, they must formally report the currency to CBP. Failure to declare may result in seizure of the currency and/or arrest. An individual may petition for the return of currency seized by CBP officers, but the petitioner must prove that the source and intended use of the currency was legitimate.
The Concealment Methods — Why They Matter
Currency hidden in a duffel bag is one thing. Currency hidden inside unopened soda cans is another level of preparation entirely. Modified soda cans — sealed to look factory-fresh but hollowed out to contain cash — require deliberate preparation before the crossing. You do not accidentally hide money in soda cans. You acquire the cans, modify them, place the currency inside, reseal them, and bring them to the crossing. Each step is a deliberate act in furtherance of the concealment.
That preparation is exactly what distinguishes bulk cash smuggling under 31 U.S.C. § 5332 from a simple failure to report under § 5316. The statute requires knowing concealment with intent to evade the reporting requirement. Modified soda cans containing cash are not an ambiguous fact pattern — they are evidence of premeditated concealment that CBP will point to as proof of intent. The civil penalty exposure under § 5332 can reach 50% of the seized amount — on $150,000, that is up to $75,000 — compared to the fixed-dollar penalties applicable to a straightforward reporting violation.
The combination of a duffel bag and modified soda cans also suggests the currency was distributed across multiple hiding spots — a pattern consistent with preparation to defeat a partial search. Distributing currency across multiple concealment locations is a further indicator of deliberate evasion rather than a single act of poor judgment.
Both U.S. and Mexican Currency — The Reporting Requirement Covers Both
The seized currency included both U.S. dollars and Mexican pesos. As we have discussed in other articles, the FinCEN 105 reporting requirement applies to all monetary instruments — U.S. currency, foreign currency, traveler’s checks, money orders — valued at their U.S. dollar equivalent. Mexican pesos count toward the $10,000 threshold at the applicable exchange rate. A traveler carrying $80,000 in U.S. dollars and the equivalent of $70,000 in Mexican pesos has $150,000 in monetary instruments to report — all of it.
The presence of Mexican currency alongside U.S. currency in a southbound smuggling case is also consistent with what law enforcement sees in drug money repatriation operations — proceeds from U.S. drug sales in U.S. dollars, combined with Mexican currency already in circulation in Mexico, being consolidated and transported back to the cartel. Whether that is what happened here is not stated in the available reporting, but the factual profile fits a pattern CBP officers at Yuma and other southern Arizona ports encounter regularly.
Proving Legitimate Source and Intended Use at $150,000
The legal standard for recovering seized currency is the same regardless of amount: prove that the money came from a legitimate source and was intended for a lawful purpose. At $150,000, the evidentiary burden is substantial. Documentation must trace that amount of money from its origin — business income, real estate proceeds, savings, inheritance — through to the moment of transport, with specificity and corroboration proportional to the amount involved.
The concealment in modified soda cans adds a layer of difficulty that no amount of documentation fully resolves. Even if the source can be proven, the method of concealment invites the question: if the money was legitimate, why were you hiding it in soda cans? That question — and its answer — will be the central challenge in any petition for remission or mitigation. A well-prepared petition addresses it directly and persuasively, rather than hoping CBP will not notice.
This Was Completely Avoidable
If the $150,000 was legitimately obtained and was going to a lawful use — a real estate transaction in Mexico, business funds, family support — the entire situation results from one decision: not filing the FinCEN 105. There is no legal limit on how much currency you can transport across the border. You can legally carry $150,000 in U.S. and Mexican currency into Mexico. You just have to report it. The form is free, takes minutes, and protects everything. The modified soda cans and the duffel bag concealment were chosen instead of a form — and the outcome reflects that choice.
Read our guide on the long-term consequences of a cash seizure for a fuller picture of what a seizure means beyond the immediate loss of the money.
Has CBP Seized Your Currency?
If CBP has seized your cash at a Yuma, Nogales, or any other Arizona or Texas border crossing, contact us before taking any other steps. Read our customs money seizure legal guide or watch the video series. Read our guide on why you must not contact CBP without an attorney after a seizure. See our currency seizure case outcomes for examples of successful representation. Call us at (734) 855-4999, send a text message, or reach us on WhatsApp. You can also contact us online.