"The comparison of different footprints can lead to elimination conclusions."
"However, the comparison of identical footprints cannot lead to the same identification."
"Therefore, footprint comparison has limited value."
Soon after, Zhang Yean continued pressing the button in her hand, causing the photos to keep scrolling.
She continued, "The above is the situation on the first floor."
"This is a photo of the staircase from the first floor to the second floor."
"At that time, we didn't notice much unusual in the staircase."
"After the scene investigation, no blood was found on the stair handrails."
Then, on the projector screen, the layout photo of the second floor was displayed.
"There are three partitions on the second floor, each containing a bed."
"After investigation, these were the rooms used by the women for receiving clients."
"The second victim, Li Hong, aged 21, was found lying on the bed in the innermost room."
