Crime scene: 162 mystery solving puzzles to find out who the murderer is

Chapter 40 Corpse in Flames
In the middle of the night, a certain building caught fire. Thick smoke billowed in room 125, and Ms. Zheng, who lived in it, escaped, while Ms. Wang, a fashion designer, burned to death inside.After an autopsy, it was found that Ms. Wang had been smashed to death by a statue in the house before the fire.A timed ignition device was also found in her room.

Ms. Zheng said: "I went back late because I had something to do. I saw that Ms. Wang was already asleep, so I went back to my room to rest. As soon as I fell asleep, I felt my chest was depressed and woke up. I found that there was smoke all around, and I hurriedly shouted. Miss Wang, and then ran outside."

People also found Mr. Li, who had always been at odds with Ms. Wang.

Mr. Li said: "It's no wonder you are suspicious. I also received a threatening letter."

He took out a letter that said, "I know you are the murderer who smashed Miss Wang to death. If you don't want to be known, you must bring 5 million yuan in cash to the city railway station at 1 pm on May 6. Before the entrance on the right."

At this time, only 3 hours away from the incident.

The clever detective knew immediately who the killer was.do you know?
[Answer] The murderer is Mr. Li.It is impossible to receive a letter 3 hours after the incident.At this time, only the real murderer knew that Miss Wang was crushed to death by a statue.Mr. Li took out this letter prematurely, revealing that he was the real murderer.

(End of this chapter)