“A car accident murder case from two years ago?” Liu Yin reached out and opened the case file in front of him, looking up at Zhou Ling with some curiosity. “At first glance, this is just an ordinary murder case where a high-interest loan couldn't be repaid, leading to the killing to cover it up. However, the strange thing about the case isn't that, but rather the deceased's wife… who suddenly received help from a mysterious person two days ago and obtained evidence proving that her husband was murdered two years ago…” Zhou Ling prepared to explain in detail to Liu Yin. Before Zhou Ling could continue, Liu Yin waved his hand to stop her: "You don't need to tell me all that. I just want to know what this case has to do with the Death Killer." "If I tell you that the mysterious person who

