Why does Facebook say I have a message but Messenger doesn t? As a timely reminder the Secret Conversation mode is not to. How to Find Hidden Facebook Messages Lifewire. How To View Only Unread Messages On Facebook. If you want to check these messages head to Settings People Message Requests. Share on Facebook There's a hidden section in Facebook's Messenger app called Requests Now you can view hidden facebook photos of that Facebook id. At the bottom of that Message Request inbox is another link See filtered requests Why there needs to be another link from these already filtered.