Two alleged “narco-banners” that surfaced online this month, which warned Americans to stay out of Mexico’s Los Cabos region, have sparked concern about cartel intimidation tactics, even as local officials insist the signs never existed.

The purported messages, signed by a faction of the Sinaloa Cartel known as La Chapiza, threatened violence against U.S. citizens living in or visiting the popular tourist destination. Photos of the banners circulated widely across social media, though authorities in Baja California Sur say investigators found no trace of them.

Wyoming County, Pennsylvania District Attorney Joe Peters, who served in the White House’s drug czar office during the Bill Clinton and George W. Bush administrations, told Fox News Digital that whether or not the Cabo banners

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