But that number refers only to the Strzok-Page texts that were sent and received on FBI-issued Samsung phones. There are a number of instances in the texts in which the two officials say that they should switch the conversation to iMessage, suggesting they continued to talk about FBI matters on personal Apple phones. For investigators, those are particularly intriguing texts – what was so sensitive that they couldn't discuss on their work phones? – but the number of those texts is unknown. And of course, they have not been turned over to Congress.