The Washington Post mocked online that the White House was a "tragic" report to cover what liberal news media called the "mysterious" decline in fentanyl flowing across the border.

Fentanyl is a dangerous drug that is often trafficked by cartels and other criminals to the United States across the southern and northern borders. According to the Centers for Disease Control and Prevention (CDC), fentanyl was linked to 48,422 deaths in the United States in 2024.

During the campaign, President Donald Trump vowed to launch a war against fentanyl traffickers by increasing border security and combating illegal immigration. Since taking office, Trump has deployed U.S. troops to the southern border, using cartels and transnational criminal groups as "foreign terrorist organizations" and attacked cartel leaders with sanctions.

According to the Center for Immigration Research (CIS), the group explained that law enforcement seizures in the U.S. are “a 50% drop in total smuggling in terms of the southern border entry ports since the November election. The CIS noted that such a significant drop indicates “a total decline in total smuggling of fentanyl”.

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The Washington Post reported the decline, saying the U.S. seizures on the southern border fell by nearly 30% compared to the same period in 2024. However, exports show that the decline “represents a mystery.”

"After years of increased fentanyl volume, the deadliest drug-populated opioid in U.S. history, U.S. officials face a new reality at the Mexican border," the post read.

The possible reasons listed for exports are because Cartels find other ways to smuggle drugs into the United States, internal cartel conflicts, shortages of ingredients and possible declines in demand.

Despite being confused about the causes of the decline, the Washington Post believes: “Public health authorities are concerned that the Trump administration’s budget cuts could undermine plans to promote overdose detoxification and addiction treatment.”

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This article was widely ridiculed by conservatives online.

R-Wis. Rep. Tom Tiffany told X: "The Washington Post reported on the "mysterious drop" of fentanyl seizures on the southern border. The mystery solved! The Trump effect is working."

Popular Conservative influencer Charlie Kirk also commented: "In four months of the Trump administration, did the Washington Post marvel at the 'mystery' dripping of fentanyl seizures on the Mexican border, or were their journalists as stupid as the people they wrote propaganda?"

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The official X account of the Department of Homeland Security also replied: "This is not a mystery. On the first day, President Trump closed our borders with drug traffickers."

"Fentanyl traffic on the southern border fell by 54% from March 2024 to March 2025," the Department of Homeland Security said.

"The world heard the message loudly and clearly," DHS said.

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Several top White House spokespersons also praised it. White House Press Secretary Karoline Leavitt simply called it "pathetic", said White House Communications Director Steven Cheung. "They can't stand President Trump's strong border policy that leads to a decrease in fentanyl entering the United States."

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Another White House spokeswoman, Abigail Jackson, told Fox News Digital that “the decline in fentanyl seizures at the border is just a reporter from the Washington Post, a reporter with Trump-derived syndrome.”

“As of March, fentanyl traffic on the southern border has dropped more than half since the same time last year, and Joe Biden’s open border is still terrorizing the United States,” Jackson said. “Others know the simple fact: President Trump closed our borders, so illegal drug traffickers and Americans are safer.”

The Washington Post did not immediately respond to Fox News Digital's request for comment.