They don't say they have deleted messages. They say that CZ has disappearing messages turned on, and they have his phone and some messages - it might just be th

They don't say they have deleted messages. They say that CZ has disappearing messages turned on, and they have his phone and some messages - it might just be that they only have messages that are within the disappearing window, or some conversations that were in seperate chats without disappearing messages enabled, or messages from backups or some of the counterparties that were saved, etc.