Federal authorities are investigating vandalism discovered on the National Mall after a message reading “86 47” was found etched into the grass near one of the nation’s most recognizable public landmarks, as reported by The Gateway Pundit.

The incident was discovered on Thursday and prompted a response from the U.S. Park Police, which confirmed an investigation is underway.

Photographs and videos circulating online showed sections of grass altered to create the message. The markings appeared as brown lettering against the surrounding green lawn.

Markings are visible in the grass next to the Washington Monument with a large police presence on scene. pic.twitter.com/FoTbW5IvPZ

— Andrew Leyden (@PenguinSix) June 11, 2026

Authorities have not publicly identified any suspects, and investigators have not announced how the damage was created.

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The Department of the Interior confirmed that federal law enforcement agencies are treating the incident seriously.

“The deranged vandalism on our National Mall will not be tolerated,” the Department of the Interior said in a statement.

“Any threat against the President is taken very seriously by the Department, and our U.S. Park Police will investigate this incident and hold those responsible accountable.”

The phrase “86 47” has become a subject of controversy in political circles because some interpret “86” as slang meaning to eliminate or remove someone, while “47” is commonly used as a reference to President Donald Trump, the 47th president of the United States.

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Federal officials have not publicly characterized the message beyond describing the incident as vandalism and emphasizing that threats against the president are taken seriously.

The National Mall, located in Washington, D.C., is one of the most heavily visited public spaces in the country and serves as the site of national monuments, public gatherings, demonstrations, and major civic events.

Local photographer Andrew Leyden reported observing a significant law enforcement presence at the scene Thursday afternoon.

According to Leyden, there was a “large police presence” near the vandalized area as authorities examined the damage.

The investigation comes during a period of heightened security concerns surrounding public officials and political figures.

Federal agencies have continued to monitor threats directed at elected officials following several high-profile security incidents over the last two years.

The “86 47” phrase has previously attracted attention in other political controversies.

Former FBI Director James Comey previously generated headlines after posting an image containing the phrase on social media.

According to reports, Comey was later indicted by a federal grand jury in the Eastern District of North Carolina on two felony counts related to alleged threats against the president.

The legal proceedings involving Comey remain ongoing. Reports indicate that the lead federal prosecutor assigned to the case has since resigned, though the case continues through the court system.

As of Thursday evening, authorities had not released additional details regarding the National Mall vandalism investigation or announced whether any surveillance footage, witnesses, or forensic evidence had identified those responsible.

The Department of the Interior indicated that federal authorities intend to pursue the matter and determine who was responsible for the damage.

The incident has drawn attention because of both the location involved and the political nature of the message displayed on federal property.

For now, investigators continue to examine the vandalism while federal officials stress that any message perceived as a threat toward the president will receive a full law enforcement review.

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