C72 The promise of the united states

After Zhang Shiyuan was captured, Yinzi voluntarily turned herself in and told them all the criminal facts, as well as a conductor who was working with them. The method of committing the crime was roughly the same as what Deng Fan had deduced, it was just that there were some details that Deng Fan did not complete. Just like this, Deng Fan became the main contributor to solving these cases