First, at the end, batman save the joker when he felt down from skyscraper and left. Since joker is so smart and powerful, why didn't he bring trouble back again.
Secondly, what is the fate of the people on the boat cause time passed 12pm and the detonating fuse was not clear. However, no follow up after the batman beat the joker.
Last but not least, who was the real rat inside police department to cause the death of Rachel? Are the old police officer and his female assistant? If yes, what is the motive for them to do it and when can they do it since they looked busy all over.
Secondly, what is the fate of the people on the boat cause time passed 12pm and the detonating fuse was not clear. However, no follow up after the batman beat the joker.
Last but not least, who was the real rat inside police department to cause the death of Rachel? Are the old police officer and his female assistant? If yes, what is the motive for them to do it and when can they do it since they looked busy all over.