Did Lao Zhang die at the beginning of the novel?

Lao Zhang, at the beginning of the novel, is not dead yet.

At the end of the novel "Start": Zhang Cheng ran to the bridge with a pressure cooker and exploded. One bus passenger was rescued and one Zhang Cheng was injured. After that, the heroine went abroad to play, and the hero Xiao was the focus of news and accepted many interviews. In the later days, they also investigated the truth about the driver's daughter getting off the bridge. Although there is no clear witness, through letters from some readers, it is inferred that she may have met a salty pig hand on the bus.

Role introduction

Zhang Cheng, vice captain of criminal investigation in Jialin Public Security Bureau. A very capable, clear-headed, strong analytical reasoning ability of the old criminal police. He is the main person in charge of the explosion of bus No.45, and the survivor Xiaohe was found in repeated cycles. Through their interrogation, the cause of the explosion was found out bit by bit.