Yun Xiangxiang would appear in every picture, but there would also be a silhouette at the edge of those pictures.
Sometimes it was a foot; sometimes it was half a body; sometimes it was a distant back...
None of it was facing the CCTV directly. It was obvious that this person knew the school's CCTV system like the back of their hand. They could evade it trickily every time.
This person either went out of their way to map out the locations of the CCTV, or they were personnel related to the installation of the CCTV.
"He's 172 to 175 centimeters tall and weighs sixty to sixty five kilos. A left hander. His left calf was severely fractured before," Song Mian said to Song Yao. "He has contracted moderate Scheuermann's disease. Narrow your investigations to the students in the same course as Xiangxiang or those who are frequently absent from classes."
Song Yao immediately proceeded with his investigation.
