Well, he did whisper ‘Tiger’ before dying. 
Yes, he did. And that’s another clue that will have big ramifications later on. These next few episodes, essentially the first episodes of this season, all have those kinds of revelations and clues and hints and big steps forward in the mystery. And all will be revealed.

When do we revisit the Tiger clue?
Watch episode 4 and you will get some answers to that in episode 4. I can start very specific now about those. Episode 4 will give you some answers that go a long way to answering that question.

So,according to Bruno Heller , the Episode 4 will contains much clues and answers.