Board Thread:False Info and Speculative Discussion/@comment-4772791-20160123002637/@comment-5379216-20160217210430

Ugh please don't give Mason importance by making him the Beast. It better be someone else.

And I'm 99.9% sure it can't be him. He was in the library while the Beast was running around Beacon Hills (5x10) and he was with Liam while the Beast was still running around (5x11)