You believed it because everyone said it. You did not check, because checking would have meant you were the only one who did not already believe it.
An unsourced claim gets repeated by enough aligned voices that the repetition itself starts to feel like proof. 'Widely reported' comes to mean 'many people said it,' not 'someone actually demonstrated it.' After enough cycles, the claim gets cited as settled background, and background is the one thing nobody goes back to check.
Truth-adjacency
Truth-independent: the pattern works regardless of whether the claim is true
Where it shows up
Public discourse
The phrases and tells that mark this pattern in the wild:
widely reportedmany are sayingeveryone knowsas we've always saidaccording to reportsit is well knownFollow the citation chain. If it terminates in a primary document, a named on-record source, or demonstrable evidence, the repetition is corroboration. If it terminates in another outlet that also just says “reports indicate,” the chain never reaches solid ground, no matter how many links it has.
A claim that is independently confirmed by multiple outlets tracing to different original sources, or to the same well-documented primary source, is not laundering; that is what real corroboration looks like. The pattern requires that repetition itself, not evidence, is doing the persuasive work.
How this pattern gets misused
Someone calls any claim repeated by multiple sources 'laundering,' including claims that each independently trace back to a named source or shown evidence. That's just corroboration. The term is for repetition offered as a substitute for evidence, not for evidence that happens to be repeated.
What it looks like when you're wrong about it
A claim cited by ten outlets that all link back to the same original investigation, with named sources and shown documents, is not this pattern; that is normal sourcing. It's information laundering when the citation chain dead-ends in more citations rather than a primary source, when 'widely reported' has to stand in for 'here is the report.'
Not sure? Describe the situation to someone outside it. If they do not see the pattern, pause before you name it.
Proof drowning
They released everything. The thing you needed was on page 31,847. No one reads 31,847 pages. The disclosure was the burial.
Strategic ambiguity
You accepted the vagueness because precision would have forced you to pick a side. You did not want to pick a side. They knew that.
Training data extraction
The model remembered what it was fed. What it was fed was you.
The name is designed to spread. The hook is designed to stick. If you recognized something, share the name.