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.. and how easy to frame someone... just keep sending them some messages until they block you.

in the eyes of LE... they have metadata that you spoke with suspected individual :)

And presumably you have a record of those same chats revealing the content was, "I'm not interested in participating in your conspiracy to commit fraud, stop talking to me."

If you meant to imply they could abuse this capability to get a warrant, I'll be concerned about it when they have any trouble getting warrants.

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