Also, at least in Mexico, cartel guns come from the US: https://www.marketplace.org/2023/10/19/how-a-booming-gun-business-in-the-u-s-arms-mexicos-cartels/ http

Also, at least in Mexico, cartel guns come from the US: https://www.marketplace.org/2023/10/19/how-a-booming-gun-business-in-the-u-s-arms-mexicos-cartels/ https://www.marketplace.org/2023/10/19/how-a-booming-gun-bus... The legal situation there is quite interesting: https://en.wikipedia.org/wiki/Firearms_regulation_in_Mexico https://en.wikipedia.org/wiki/Firearms_regulation_in_Mexico