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

Chapter 120: A Clever Watcher
This summer, because of the installation of new power lines on B Street, several buildings had a power outage between 8:10 and 9:[-] pm. Anne left the Center for the Blind at [-]:[-] pm and walked upstairs to go home.

The next day, someone found Anne's body on the stairs, and Anne's handbag was missing. This was obviously a case of robbery.According to the witnesses, another man went up the stairs at about the same time as Annie, and the police summoned that man for questioning.

The man said: "I did go up the stairs at about the same time as Annie. I saw that she was blind, so I led her up the stairs. I didn't go until I got to her floor."

After the watchman heard the man finished speaking, he shouted: "He is lying, Miss Anne was killed by him."

How did the watcher know that the man was lying?
【Answer】For blind people, there is no difference between blackout and no blackout. On the contrary, it is more convenient for blind people to move in the dark than sighted people.

(End of this chapter)