Why did Daniel Wu finally choose death?

Because all my relatives have left. At the end of the movie FACE/OFF, he was shot dead by the Feng Delun police who had been pursuing the case. In fact, there was no bullet in the murderer's gun at that time. He finally chose to commit suicide because all his relatives had left, and he had nothing to worry about after revenge. FACE/OFF is an action thriller directed by Zhong Shaoxiong and starring Daniel Wu, Gigi Lai and Feng Delun. It was released in Hongkong, China on June 6th, 2002.