Proponents of the QAnon conspiracy theory told The Washington Post they were told to hide the symbols of their support for it at a Thursday Trump rally in New Hampshire.

Two QAnon supporters told the Post that they had been asked to hide their Q signs or put their Q shirts inside out.

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One man said he believes he was asked to do so because “people on the left would paint us as the bad guys."

He also blamed the Secret Service, which the Secret Service denied.

"The U.S. Secret Service did not request, or require, attendees to change their clothing at an event in New Hampshire," spokesman Jeffrey Adams told The Hill in a statement Friday.

Campaign Chief Operating Officer Michael Glassner told The Hill in a statement Friday that “no non-Trump-related political messaging is permitted inside the venue. We do our best to ensure this rule is fully enforced.”

The wide-ranging QAnon theory involves a belief in a "deep state" plot against President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE and his supporters. It began on the fringe websites 4chan and 8chan with an anonymous poster claiming to be a government official with “Q” security clearance.

People promoting the conspiracy theory have previously appeared at Trump rallies.

Updated at 1:05 p.m.