Qi Lin remembered the name and decided to talk to Zhang Tao.

Zhang Tao looked very calm when facing Qi Lin's inquiry, "I was just in business competition, there was no reason to kill him. I have evidence of alibi. I was attending a charity party that night."

Qi Lin looked into Zhang Tao's eyes, trying to see if he was lying, but he saw nothing. He knew that he needed more than just the suspect's statement, he needed evidence.

In the next few days, Qi Lin and his team conducted an in-depth investigation of Zhang Tao. They found some interesting clues. In Zhang Tao's home, they found some chemicals that had the same substance as the victim Wang Lei.

Qi Lin faced Zhang Tao 18 times again, "How do you explain these chemicals found in your home?" he asked.

Zhang Tao started to panic, "I...I don't know how those drugs got to my house. I really didn't poison them."

Qi Lin stared at Zhang Tao closely, "We need your explanation.

After the tense conversation, Qi Lin returned to the office with new clues. He knew that he was getting closer to the truth. He began to carefully analyze the information he received from Zhang Tao and the chemicals he found. All these evidences seemed to point to Zhang Tao, but he still felt that something was wrong. Qi Lin always felt that there seemed to be other hidden details in this case that had not been unearthed.

He once again examined the victim's social relationships and suddenly discovered a detail that had been ignored before. The victim once named Li Feng as the beneficiary in an insurance contract. This discovery surprised Qi Lin, who immediately decided to talk to Li Feng again.

"Did you know that the victim once designated you as the beneficiary of an insurance contract?" Qi Lin asked.

Li Feng looked surprised, "I...I really don't know. Is this possible? I thought it was a joke among his friends." He replied calmly.

"Then why didn't you go to collect the insurance money?" Qi Lin asked immediately.

Li Feng began to become nervous, "I...I thought it was unfair, and I didn't dare to take it."

Qi Lin looked at Li Feng deeply, "Then why didn't you tell the police this information?"

Li Feng was speechless and looked pale.

During the subsequent investigation, Qi Lin discovered some key evidence proving that Li Feng was the real poisoner. In order to obtain a huge amount of insurance money, Li Feng poisoned the victim. He deliberately concealed his crime, but it was still exposed step by step by Qi Lin. In the end, Li Feng could not deny it and confessed to his crime.

One day, he received a case about animal trafficking. This case involves the illegal trade of many rare animals and is a great threat to the protection of animal resources.

As a smart and keen detective, Qi Lin understands the importance of solving this case. He began to carefully study the evidence and information in the case file. Through investigation, he learned that this animal trafficking gang is distributed across the country, and their operations are very secretive. Qi Lin realized that to successfully crack the case, he needed to take an unusual approach.

Qi Lin decided to sneak into the trafficking gang and establish contact with them. He learned that the gang would hold a secret auction in the near future, and he saw this opportunity. .

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