[e12e]

But, in this story - had he used signal - if the police arrested anyone in contact with him, any one of those would be able to turn over his phone number? Which would be linked to the sim card in his phone?

Am I missing something? Or am I misinterpreting your story? You're saying that sign up bound to a Sim card is bad for Twitter and bad (worse) for signal?

[baybal2]

Yes, see, he went as far as buying an anonymous sim in China, which are sold at extreme premium by black market dealers, and still got tracked down.