1) He has already provided a lot of information in the thread, and I remembered Yashur's advice (listen to Tox first, then execute Tox).
2) It might just be me, but Tox seems to be trying to incriminate himself by linking with Nefela or by checking. If so, I don't believe a word he says, and he's a clear candidate for Mafia. If not, he's a bit off his rocker with his personal motives.