The New York Times must return memos it obtained that were written by an attorney for the conservative activist group Project Veritas, a judge in New York ruled Friday.

The developments prevent The New York Times from reporting on memos written years ago by Project Veritas’ attorney Benjamin Barr, which the paper had published last month, along with a story about how the conservative group, notorious for sting operations often conducted under false names or with hidden cameras, obtains information.

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