Tensions between Mexico and the U.S. have been simmering for months. Last week, Mexican president López Obrador accused the U.S. of being partially responsible for the violence which currently engulfs Sinaloa. On Monday, the U.S. ambassador in Mexico offered a rebuttal, saying that "what is being seen in Sinaloa is not the fault of the United States."
That same day, reports came out that U.S. officials had expressed concerns over Russia's increasing diplomatic staff in Mexico, which they believe is aimed at bolstering the Kremlin's intelligence operations targeting the U.S.
