I can't believe how this movie got 7+ rating. What a waste of time. The killer was very obvious early on only the motive was not clear.

The characters were pretty lost.

Why the hell would you handover the only proof you would have to the killer so easily.

Why would you not even think about your safety going to a place where everyone else might want to kill you. Instead of having a diary saving you from bullet maybe it would have made sense that you were wearing bullet proof jacket.

A billionaire could not hire anyone to kill someone, what a joke. Nor he could arrange for his security at his mansion. LoL.