> That is, everyone switched from SMS to whatsapp, criminals just did what everyone did. How are you so confident that this was what happened? Do you have some

> That is, everyone switched from SMS to whatsapp, criminals just did what everyone did. How are you so confident that this was what happened? Do you have some concrete data and/or stats to back this statement? What if most criminals are using something like Signal? Besides, I personally wouldn't trust WhatsApp if I were partaking in illicit activities.