> how can a user (without deep technical knowledge and skills) prove the claim of end to end encryption? Checking to see if investigations include evidence fro

> how can a user (without deep technical knowledge and skills) prove the claim of end to end encryption? Checking to see if investigations include evidence from messages on these platforms excepting: Messages sent by the user to someone who distributes them further Or investigators getting control of the phone. --- WhatsApp stands up to that test.