"So I think Old Bai is right. When the murderer entered the scene, they must have laid something on the ground to prevent their footprints from being left, and stepped on the cleaner's footprints, causing them to blur."
Lu Chuan nodded.
He thought the same.
Moreover, he had just conducted some experiments in the basement.
He found that by covering the footprints with plastic sheeting and then stepping on them, it would leave similar marks.
However, there was one thing Lu Chuan was still puzzled about.
That was, the degree of blurring of the cleaner's footprints was not the same.
And the area of blurring left by some of the footprints was also different.
Lu Chuan tried to identify and analyze the footprints pressed upon the blurred cleaner's footprints.
The result, however, led to two different conclusions.
"It seems like two people were going in and out of the scene. One person is between 1.7 and 1.8 meters tall, and the other is between 1.6 and 1.7 meters."
