I'm curious how this works constitutionally, in the US. Presumably the FBI did not have warrants for all the conversations they were listening in on, so it at least superficially seems like a fourth amendment violation.
> "This data comprises the encrypted messages of all of the users of Anoms with a few exceptions (e.g., the messages of approximately 15 Anom users in the U.S. sent to any other Anom device are not reviewed by the FBI)," the document reads.
From From https://www.vice.com/en/article/akgkwj/operation-trojan-shie...