So I know this game is a lot about interpretation and piecing together but one thing that I did notice was a lot of animosity towards politicians from the other passengers. Who was one of the passengers? A politician. One couple seems to hate politicians more than anybody else and it appears as though the child belongs to said couple. Only fitting that the child of this couple be the one to end the Politicians life. I will probably play more of the game to try and piece more together but I LOVED this game and the simple narrative it conveyed. I can't wait to see where this game goes.
I also did a playthrough of my experience for anyone interested: