The 36-page ACT catalog was distributed the week of June 20th to a private mailing list, according to Dave Maass, a senior investigative researcher for the Electronic Frontier Foundation, who shared the catalog with Motherboard after it was sent to him by a person on the mailing list. Maass said that he did not have a complete list of the recipients, but that it appeared to be a broad group, rather than a select set of elite undercover officers.

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