There's always a flaw in the system. Beetee is at it again! Yesterday, TheCapitol.PN tweeted a very cryptic message that was quickly deleted:
The letters at the end of the tweet are the notes in Rue's Whistle!
When you head over to TheCapitol.PN and right click to inspect element (or view page source) the following message is embeded into the code:
What will Beetee hack next, tributes? The rebellion is coming. The Mockingjay lives!