Federal authorities are investigating large markings spelling out “8647” that were etched into the grass on the National Mall in Washington, D.C.

The numbers appeared on the west lawn near the Washington Monument and World War II Memorial.

The number “86” is widely understood as slang for getting rid of or eliminating something, while “47” refers to President Donald Trump as the 47th president.

The combination has been interpreted by many as a direct threat or call to violence against the president.

The markings were spotted on Thursday.

According to reports, they were likely created between June 8 and June 9 by applying a chemical, possibly a herbicide, that killed or severely discolored the grass in the shape of the numbers.

The damage is highly visible in aerial photographs of the area.

The U.S. Department of the Interior and U.S. Park Police are leading the investigation.

An Interior Department spokesperson described the act as “deranged vandalism” and told NBC News, “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.”

Grass samples have been collected for testing.

The investigation remains ongoing, and authorities have not yet identified any suspects.

WATCH:

WTF?! Rabid leftists have VANDALIZED the National Mall, etching “86 47” in the grass right near the White House

All those leftists whining about Trump making changes to the National Mall will be RADIO SILENT on this vandalism. Watch.

TOTAL hypocrites. pic.twitter.com/aWky0zGSqw

— Nick Sortor (@nicksortor) June 11, 2026

This incident comes months after former FBI Director James Comey was indicted over a social media post showing seashells arranged to spell out “8647.”

The numbers have now been adopted by anti-Trump activists as a form of protest.

The vandalism occurred as the National Mall was being prepared for major events, including President Trump’s birthday celebration and a UFC event scheduled for the weekend.

It also comes after President Trump’s recent beautification efforts on the mall.

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