Zhang Heng chased the blood stains in the library all the way to a children's welfare home.

The whole process was not easy, although the black shadow's calf was seriously injured, but with the help of the black liquid, he didn't need to rely on his legs to escape, but the taste of being sealed in the concrete wall was obviously not pleasant, and he needed to come out of the wall from time to time to breathe.

This leaves blood on the ground, which is still quite recognizable, thicker and darker than ordinary blood, close to deep black, and smells rancid, but even so, it is not easy to track down a target in a huge city.

Zhang Heng carried a recurve bow, held a flashlight in one hand, and a mobile phone in the other, and opened the Gaode map above, except for tonight's actions, the behavior pattern of that thing has always maintained a high degree of consistency, avoiding appearing in crowded places, and attacking vulnerable groups, so it is rarely seen by witnesses, and now that he is seriously injured, he must be more cautious.

Zhang Heng first used the electronic map to eliminate some areas where there were still many people at this point in time, such as some main roads and food streets that were open until the early hours of the morning, selected a few remote routes, sorted them in order of probability, and then conducted a comprehensive search until he found that special blood on the ground, and then used this as a starting point to continue the previous steps.

This search is quite time-consuming, especially if he is alone.

However, as long as five or six blood stains were found, the direction of the black shadow's escape could be basically determined, and after that, things became much easier.

Of course, it still took a lot of time for Zhang Heng to circle the last area, he had already searched a nearby boarding primary school and hospital, and the most likely place left was the children's welfare home in front of him, but counting the daytime he had not closed his eyes for more than 30 hours, Zhang Heng did not rush in, but first went to the convenience store next to him to get a bottle of coffee, and left the money on the table at the cashier as usual.

After drinking coffee and recovering a little energy, Zhang Heng put on gloves, wiped the saliva on the mouth of the bottle and the fingerprints on the bottle with a tissue, and then threw the bottle into the trash can half a street away, and then climbed over the iron fence outside the main entrance and entered the children's welfare home.

At this point in time, most of the staff in the welfare home had also gone home, leaving only the doorman on duty and some nurses, a doctor, and four nurses.

The doorman is playing cards in the duty room, the doctor is preparing for the psychological counselor's exam in the office, a little nurse is napping, and three are playing the glory of the king together, in addition to the emergency room and the duty room, there is also an observation isolation room on the first floor, a children's restaurant, a staff restaurant and a multi-purpose hall, but there is no one inside.

Zhang Heng didn't find anything unusual here, and soon came to the second floor, which is the dormitory of the welfare home, where the children adopted by the welfare home basically live, in addition to a rest room and activity room for caregivers.

Zhang Heng didn't gain much in the last two places, until he came to the dormitory, and noticed a lonely bed in the west corner, the children in the other beds seemed to be afraid of the person in the bed, and no one even wanted to get too close to him when sleeping, so the bed was like being isolated on the other side of the world.

Now it was supposed to be the sleeping time of the children's welfare home, but the bed was empty, Zhang Heng lifted the back of the bed with a gloved hand, and found a roll of medical gauze underneath, which was still stained with black blood, which also meant that he had finally found the owner.

Zhang Heng put down the quilt in his hand and took half a step back, and looked at the sign on the bedside, it belonged to a child named Zhang Jingli, from this name, it can be seen that the staff in the welfare home hope that Zhang Jingli can grow into a quiet and polite person, but unfortunately this wish does not seem to be realized.

Zhang Jingli on the photo has a calm face, his eyes are gloomy, and there is a kind of anger on his body that is completely inconsistent with his age, but compared with the terrible things he did, the face in the photo looks a little cute.

"I've got you." Zhang Heng said in a low voice, and at the same time took off the photo.

Zhang Jingli escaped back to the children's welfare home where he was hiding after being injured, and stole gauze from the emergency room to treat his wounds, he also knew that he was very panicked and might leave a lot of clues, so he didn't dare to stay in bed anymore, but Zhang Heng speculated that it was unlikely that he would escape from the children's welfare home again.

After all, his leg injury was not light, as the person who shot the arrow, Zhang Heng knew very well the trauma caused by this arrow to the other party, so Zhang Heng didn't find anyone in bed and didn't worry too much, he finally found Zhang Jingli in the B-ultrasound room on the third floor.

The latter hid in the corner behind the B-ultrasound machine, curled up, Zhang Heng walked over and untied the gauze on his leg, and saw the arrow wound on his leg and the black blood on the wound.

At this moment, Zhang Jingli looked more fragile than ever, in the still time, he could no longer control the pool of black liquid to swim between the walls, devouring innocent lives, and he couldn't even move a little thumb, and now he seemed to be no different from an ordinary evil boy.

If Zhang Heng wants to kill him, he can do it with only a utility knife, this is also the first time Zhang Heng has killed in a static world, after experiencing the baptism of Mannerheim and Black Sail, although Zhang Heng still doesn't like the feeling of taking away his life, he will not have much psychological fluctuation when doing this kind of thing.

What's more, the object he wants to solve now is most likely not human, but the next moment the utility knife in his hand stopped in front of Zhang Jingli's throat.

Zhang Heng frowned, he could see in Zhang Jingli's eyes the undisguised hatred for the world, as well as nervousness and uneasiness, unlike Li Shengyue's situation before, Zhang Jingli's eyes were the only ones who had no fear, which showed that he was not coerced, coupled with the wounds on his legs and the black blood, all of them proved that he was the one who attacked Zhang Heng and Shen Xixi at school not long ago.

But there is one thing that Zhang Heng has always cared about, according to Li Shengyue, Zhang Jingli came to the school in the afternoon, which means that he left the children's welfare home at that time, which is certainly not a very complicated thing for him who can change the shape of the wall.

But after he left the children's welfare home, until the evening, it was impossible for no one to find out for such a long time, but the staff in the welfare home that Zhang Heng had met before, whether it was the doctor who was reviewing the exam, or the nurse who played the glory of the king, did not show any sense of urgency that the child was lost.