2. Alex's father, Gregory, is very paranoid and secretive. He tells Alex not to trust anyone, even his own family, and says he has something to tell him on the night he dies.
3. Alex's girlfriend, Sarah, is suddenly acting strange and distant after Alex's father dies.
4. Alex feels like he is being followed or watched.
5. The letters Alex receives, along with the strange things happening to him, all have a connection to his father's past and his murder.