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Sean Campbell

Sean Campbell

ProPublica

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Guns bought in the US and trafficked to Mexican drug cartels fuel violence in Mexico and the migration crisis

A yearlong investigation shows the depth of the gun trafficking problem and how ATF oversight of gun dealers can reduce trafficking to Mexico – when...

28.05.2025 5

The Conversation

Sean Campbell

US gun trafficking to Mexico: Independent gun shops supply the most dangerous weapons

Independent gun dealers supplied 83% of crime guns seized in Mexico and traced back to purchases in the US. Chain stores supplied the other 17%.

23.05.2025 40

The Conversation

Sean Campbell

Gun trafficking from the US to Mexico: The drug connection

Some of the same people caught illegally trafficking firearms across the border to Mexico are also selling illicit drugs, including fentanyl, meth...

23.05.2025 3

The Conversation

Sean Campbell