It turned out that due to the importance of this case, during the investigation, the special investigation team deliberately limited the investigation authority, and the police officers were only assigned different tasks, but they did not have a complete understanding of the entire investigation.

Therefore, not many people know that the special investigation team is investigating the lighthouse incident. And, although locals know about the lighthouse murder decades ago, they are not familiar with the name Liu Caiyun.

Therefore, when Zhao Yu claimed that Dou Zili's mother was Liu Caiyun, the police officers would have this question.

Zeng Ke understood what he meant, and quickly introduced the ins and outs of the lighthouse case to a few police officers. When they learned that Liu Caiyun was the wife of the tower keeper back then, they finally showed surprise.

"Oh, no? It's the same ...... That ......" There was an elderly police officer who had a deep memory of the lighthouse case, and after listening to it, he hurriedly looked at Dou Zili and asked in amazement, "Captain Dou, what ......is this?" Is it true? Auntie is ...... Liu Caiyun!?And you ......"

"Hmph! it really can't be fake, it can't be fake!" Zhao Yu said as he faced Dou Zili, "Captain Dou, you should know very well in your heart that since I decided to investigate the lighthouse case, you should have thought that sooner or later I would find out about this matter!"

"Don't think that your mother is not registered, and Doujiazhuang's information shows that your parents are dead, we won't check further!"

What Zhao Yu said is true, although he is setting a trap, he is not without purpose. What he said before was to wait for Wu Xiumin and Ran Tao to be in place, but he was actually waiting for this important result.

Although it is very old, there are still photos of Liu Caiyun in the police archives, and when Wu Xiumin and Ran Tao met Dou Zili's mother, they didn't need any DNA at all, they only needed to compare the photos to confirm her identity.

Moreover, Wu Xiumin is a psychologist, and when she and Ran Tao entered Dou Zili's house and had a "pleasant" conversation with the old lady, she was even more convinced that the old lady was the one who had been missing for decades - Liu Caiyun!!

This news is undoubtedly the most important, and only by confirming that Dou Zili's mother is Liu Caiyun can all their previous assumptions and speculations be valid.

Once the identity is confirmed, there is a motive for the killing!

"Dou Zili, don't you still admit it?" Zhao Yu sneered, "You are the child of the tower keeper couple back then! Cai Xiangbin killed your father and raped your mother. Now, Cai Xiangbin's nephew Cai Jinda has made up an unreliable script to slander your parents, you can't swallow this breath, so you have to kill and take revenge!"

After Zhao Yu finished speaking, the audience was silent, the air seemed to freeze, and everyone's eyes were on Dou Zili who was standing in the center of the field.

"Huh...... Hehehe...... Hahaha...... "Who knows, after Dou Zili was silent for a few seconds, he actually laughed out loud, laughing so much that people got goosebumps.

"Team Leader Zhao, I admit that I didn't report this matter, it's my fault!" Dou Zili said with a wicked look in his eyes, "But, you don't have to arrange me like this, right? Saying that I am a murderer, but it is a bit too much? Even if my mother is Liu Caiyun, even if Cai Jinda slanders her, I don't necessarily have to kill someone? That's six deceased, I can't afford this crime!"

"Dare to quibble!" Zeng Ke said, "Actually, your target is just Cai Jinda, but you had an accident when you killed him!

"Huh......? Accident?" the old police officer could not understand.

"Sir, sir, please, please......" At this time, the little police officer who was already wet ran in with his mobile phone, and said to Zhao Yu anxiously, "Our Director Wang's call, can you answer it?"

"Don't you have time, don't you see that the prisoner is about to confess?" Zhao Yu waved his hand and said in a commanding tone, "In this way, you can simply turn on the speakerphone and let your Director Wang and your colleagues in the police station listen to it together!"

"Team Leader Zhao! There is a degree of joking!" Dou Zili was a little anxious, and shouted angrily, "Please use your brains and think about it?" I am the captain of the criminal police, and although I have no great achievements, I still understand the most basic principles and principles! Even if I want to seek justice for my mother, I can do many things, such as ......

"Like, I can take legal action or something!"

"Take legal measures?" Zhao Yu shook his head, "If your mother is not afraid of being exposed by the media, why has she been incognito for so many years?"

"Really......" Dou Zili said with an innocent face, "Why don't you believe me? Okay! Okay! Even if I don't want to expose it, I don't want to take legal measures!

"Everyone in Quliang knows that those who run boats have to give me face, as long as I give an order, let alone a small crew, no matter how big the film team is, they can be blown away! But ......" Dou Zili clenched his fists and said, "I can't kill people?"

"Okay, Team Leader Zhao, I know it's wrong, okay? In this matter, I really don't want to hide it from you!" Dou Zili said repentantly, "After so many years, it's really not easy for my mother to be incognito, I really don't want to involve her because of the case, and then sprinkle salt on her wounds again! It's my fault to hide the truth, please have a lot of them, don't play with me, okay?"

Dou Zili's words had an immediate effect, and the police officers who were already suspicious of him were persuaded again, and looked at Zhao Yu with almost begging eyes one by one, wanting to intercede for him.

"Beautiful! beautiful!" Zhao Yu applauded again, nodded and said, "Captain Dou is really a good skill, it's really condescending to be a mere criminal police captain! It seems that I have to be a little more serious with you, you only know how many eyes Zhao Wang Ye has! Zeng Ke, close the door - let the dog go!"

What the!?

Everyone was stunned and retreated.

Zhao Yu hurriedly raised his arm and added: "Just kidding, it's just to ease the atmosphere......!" Zeng Ke...... Big screen!"

"Oh!" Zeng Ke agreed, and immediately projected the information of the little girl's mother on the big screen.

"Everyone, please look!" Zhao Yu pointed to the screen and introduced, "This person is a female burglar who was arrested last year. This man stunned the rich merchant family with an artificially concocted drug, then burglarized and was finally caught by our amazing Captain Dou!

"We've verified the recipe for that drug, and guess what?"

"What's the matter?" Seeing that the police officers were stupid, Zeng Ke had no choice but to give Zhao Yu a sentence in person.

"Hehe!" Zhao Yu switched the screen, "The formula of this drug is exactly the same as the drug that stunned the victims of the isolated island homicide!!

"Oh?" the police officers understood what Zhao Yu meant, and opened their mouths again.

"That's good, since you have found such an important clue, you should chase it down!" Dou Zili waved his hand to signal, "I remember that female thief, she will never be able to make it herself, and there must be accomplices." So, as long as we find her accomplices, we'll be able to find clues?"

"Hehehe, daffodils don't bloom - you still fill garlic for Lao Tzu!" Zhao Yu pointed at Dou Zili with his hand, "The person who stole the female snitch's drug and then used it to stun the crew is you at all!"

"This ...... How can you see it?" the police officers were horrified.

"Isn't this nonsense? What am I doing with the thief's drug?" Dou Zili shook his head.

"Who knows what you're keeping for?" Zhao Yu complained, "The forensic doctor has found that the drugs in the crew are the same batch as the female thief, and they have expired."

"If it was an accomplice of the female thief, there is no need to use expired products, right? Besides, according to our verification, the female thief used to work as a pharmacist in the county hospital, and she has no accomplices at all!

"She can't be said to be me without accomplices......?

Before Dou Zili finished speaking, Zhao Yu raised his eyebrows and said vigorously: "Don't worry, I didn't point out that you would confess easily, we have just begun! Let's talk about cigarette butts! We found many Hongmei brand cigarette butts near the scene of the crime, which are the brands that Captain Dou often smokes!"

"Cut, there are more smokers!" Dou Zili was helpless, "Maybe I left it there?"

"Attention, cigarette butts can be tested, so we can definitely confirm that the cigarette butts were left there by you, but ......" Zhao Yu's eyes suddenly became vicious, "It wasn't you who threw it there after the crime!!!