The inference is bizarre. If they were e-mailing, should still be possible to FIND the encrypted e-mails.https://twitter.com/emptywheel/status/711530151805321218 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@normative Right. If they were texting using a transient program they might not be able to find them, but that's not encryption.