Chinatown is a full one destruction of the detective and the American values the film represents the time not of the 1940s but the 70s and how the ideals of the past have fallen apart we don’t see the world as we were sold back in the day family is not like it was and Americais not the happiest place on earth I think if you like at J.J as America he can be a reflection of the world today  how America is used as a tool by corporate America to get what they want J,J was used to fallow Hollis I. Mulwray to discredit him and make him look like bad man ever do he was for cheating on his wife but she was no better cheating one her husband the fill is a true classic the ending is shocking and sad it makes you think about the world we live