You're supposed to be a security officer, what case are you solving?

Chapter 117 The Cat That Can Turn Invisible! (Please Subscribe)
The cat looked at Jiang Bala as if he were an idiot.

No, I got into the car with Yang Jinwen and sat in the back seat the whole time, and then followed him all the way to this alley.

I got out of the car and went upstairs without any attempt to conceal myself. When Yang Jinwen entered the room, I followed right behind him. Are you blind? Can't you see me?
Yang Jinwen introduced, "He is also from our North City Brigade, He's apprentice, his name is Jiang Mao, no, Jiang Mao."

"Oh." Jiang Bala and Fu Yun exchanged a glance: "So you're He Jinbo's top student."

The words were sarcastic, but the cat didn't understand and was even excited.

Jiang said, "Alright, count you in too. Now there are four of us. Many hands make light work."

Fu Yun asked doubtfully, "However, what exactly did the North City Brigade say? Did Zheng Kang and He Jinbo agree to let you investigate with us? I don't want to cause any misunderstandings later, and I'm too lazy to argue with your master."

Yang Jinwen replied, "Even the Wen branch of the Municipal Public Security Bureau and Director Yang are well aware of this matter, and they won't make things difficult for us."

"Alright," Fu Yun nodded.

With the matter settled, Yang Jinwen had no more reservations.

He walked to the two whiteboards and looked at the case summary recorded on them with watercolor pens.

From Zhang Qian, the first female student from Chengnan Health School to go missing in 1992, to Ma Weiwei's disappearance last week, a total of seven people have gone missing.

On January 21, 1992, Zhang Qian went missing. On January 21 of the following year, her mother committed suicide by jumping off a building in the girls' dormitory.

Wang Lin went missing on February 9, 1993.

In 1994, two girls went missing. After several days of searching by their parents and the school, they discovered that the two girls worked at a nightclub, thus ruling out the possibility of them being missing.

1995年7月4日，廖冬梅失踪；同年12月12日，贾春失踪。

On May 21, 1996, Qin Xuelan and her mother Zhang Huiqun disappeared.

On July 8, 1997, Ma Weiwei disappeared. Her mother, unable to bear the shock, crashed into a truck outside the school, resulting in her death.

On another whiteboard, their photos and the identity information they had just written down were posted.

Fu Yun walked over, looked at Yang Jinwen, and asked, "Can you figure anything out?"

Instead of answering directly, he asked in return, "Captain Fu, can you confirm that all the missing girls are here?"

Fu Yun shook his head: "We can't be sure. We can't get any missing persons cases from the teachers' college, and there's also a medical school in An'nan City. If the situation at these two schools is the same as that at Chengnan Health School, then it's a bit scary."

Jiang said, "Didn't Director Wen Jian say that all the cases of missing female students from teachers' colleges have clues?"

They didn't disappear without a trace; in fact, all of these missing girls called or wrote home, so they weren't truly missing.

Yang Jinwen frowned: "So, if that's the case, then someone is specifically targeting the female students at Chengnan Health School?"

Fu Yun snapped his fingers: "That's why we put the investigation office here. Lao Jiang and I believe that if someone has assaulted these girls, then the problem definitely lies with the school."

"You suspect the school's faculty and staff?"

Jiang Bala swallowed hard, and seeing that Fu Yun didn't answer, he nodded.

“That’s right, that’s what we think, so our next focus will be on the faculty and staff of Chengnan Health School.”

The cat asked, "Is it possible that a student did it?"

Hearing his voice, Jiang turned his head several times before finally seeing Maozi's face behind the whiteboard.

"From 1992 to 1997, a period of five years, which student would stay in school for that long?"

Maozi said, "If all seven of these people disappeared off-campus, then we can't rule out the possibility that it was done by students, right? Isn't it too narrow to only investigate faculty and staff?"

Jiang Bala frowned and looked at Maozi, who had vanished.

Jiang Bala turned his head several times before finally finding Yang Jinwen behind him.

"Hey kid, can you stay still in one place?!"

The cat was extremely aggrieved and had no choice but to reveal itself.

Fu Yun sighed and said, "Xiao Mao is right. We've thought about this too. But just investigating the school's faculty and staff will take a lot of effort."

If we include students who enrolled in recent years, we certainly won't find any clues without a large-scale investigation.

"Including the two of you, there are only four of us. How long will it take to investigate?"

Yang Jinwen pondered for a while before saying, "The idea is correct, but we need to approach it from several aspects."

Jiang pulled out cigarettes and offered them to Jiang, saying, "Tell me what you think."

Yang Jinwen squinted at the clue board and analyzed, "First, we have to start with these missing girls, the most important of whom is the first missing girl, Zhang Qian."

She disappeared in 1992. First, we need to determine if she was the first person to disappear. Before 92, were there any other missing persons?

If she was the first girl to go missing, we assume the killer had her in mind.

This is the perpetrator's first crime. Given the psychological characteristics of criminals, would he choose to target someone he knows?
If the two parties do not know each other, then kidnapping and abduction will definitely occur, and perhaps eyewitnesses can be found, or some clues can be discovered.

In 1993, Wang Lin, a female student, disappeared. Her disappearance occurred around the same time as Zhang Qian's, also after the Spring Festival and during the period when students returned to school, right?

Jiang Bala nodded: "That's right."

Fu Yun hesitated, but Yang Jinwen was analyzing the situation and was on the right track, so he chose to remain silent.

Yang Jinwen looked at another clue board, which had photos of Zhang Qian and Wang Lin posted on it. The photos were all taken at the school.

Yang Jinwen examined their photos, then looked at the background information written below them. After a moment, he murmured, "Besides that, there's another very important commonality: these missing girls all come from rural areas, meaning they're not from the city."

Once someone goes missing like this, the school won't take it too seriously. If they live in a rural area, their parents have no power to influence the investigation. They need temporary residence permits to come to the city, so how can their parents find them?

“That’s right!” Cat slapped his forehead: “Then that means the murderer must be very familiar with the family situations of these missing girls.”

Yang Jinwen shook his head: "Not necessarily. It's very simple to distinguish between rural people and city people. You can tell them apart just by looking at their appearance and demeanor. Brother Cat, you can go to the South City Health School and take a look. I believe you can tell them apart there."

Jiang Bala let out a breath: "The rope breaks at the thinnest part! That son of a bitch, don't let me catch him, or I'll kill him!"

Yang Jinwen continued his analysis: "If the investigation is accurate, 1994 was a gap period in time, during which the murderer did not commit the crime."

After he finished speaking, he looked at Jiang Bala and Fu Yun: "If you want to investigate the school's faculty and staff, you have to check in 94 to see if any faculty or staff took leave for personal reasons or went out for training, etc."

Upon hearing this, Jiang Bala and Fu Yun quickly took out their notebooks and wrote down the clue.

Seeing that they were taking notes, Yang Jinwen added, "In five years, so many girls have gone missing. The murderer's targets were also very clear: girls from rural areas."

Due to limitations in transportation, family background, and other circumstances, the families of these girls were unable to contact them.

So the perpetrator wouldn't be too young, and their economic situation wouldn't be too bad either; I'd guess they're from the city.

He's a bit older than the students at Chengnan Health School, but it's possible he studied there...

At this point, Yang Jinwen suddenly stopped, staring blankly at the clue board.

Jiang Bala looked up from his notebook and urged, "Continue."

Yang Jinwen seemed oblivious, as if caught in a vortex of time, his mind racing.

Seeing his appearance, Jiang Bala and Fu Yun exchanged a glance, both somewhat puzzled.

突然，他嘴里喃喃自语：“92年1月21日，93年2月9日，94年，没有女生失踪，95年7月4日，同年的12月12日……”

Fu Yun looked at him in confusion: "No, what's wrong with you?"

Yang Jinwen ignored him. After a long while, he came to his senses and looked around the room again and again.

Then, he pointed to the cat hiding behind the curtains. "Cat, hurry up and go downstairs to buy calendars, starting from 92, no, starting from 90, and keep buying calendars until this year."

The cat peeked out and complained, "Where am I supposed to buy an expired calendar?"

"Stop talking nonsense, hurry up, this is important!"

Jiang Bala frowned: "What did you think of?"

Yang Jinwen replied, "It's not clear yet. My mind is a mess. There are too many doubts. Maybe finding the calendars from the last ten years will yield some great results!"

Upon hearing this, Fu Yun stuffed the notebook in his hand into his back pocket.

"I'll go downstairs to the guardhouse and see if they have any left."

Jiang said, "I'll go to the police station; they'll definitely have it there!"

The two quickly opened the door and rushed downstairs.

The cat went to close the door so that outsiders wouldn't see what was happening inside.

Yang Jinwen returned to the clue board, staring intently at it.

Cat also came over, looked at the clue board, and muttered: "In 95, Liao Dongmei and Jia Chun disappeared; in 96, Qin Xuelan and her daughter Zhang Huiqun disappeared; now it's 97, and Ma Weiwei has disappeared..."

"No way! Since 95, the killer has been committing crimes more frequently, with two girls disappearing every year. Will there be more girls disappearing this year?"

The cat was startled, its heart pounding.

Yang Jinwen did not answer him.

More than an hour later, Jiang Bala and Fu Yun returned.

As soon as the two entered the room, they wiped the sweat from their foreheads and placed the collected calendars and almanacs on the table.

Yang Jinwen immediately ordered, "Check, what day of the week is January 21, 1992?!"

Jiang Bala quickly picked up the 92 calendar, flipped through a few pages, ran his finger along the pages, then looked up and replied, "It's Tuesday, what's wrong?"

What day of the week was February 9, 1993?

Jiang quickly found the calendar from 93.

Fu Yun and Mao Zi understood what Yang Jinwen wanted to investigate, and they both started looking for calendars from the following years.

Immediately afterward, Jiang Bala exclaimed in surprise, "Tuesday, February 9th, 1993!"

富云道：“95年7月4日，星期二！同年12月12日，星期二！”

After opening the calendar, Maozi's eyes widened, and she said incredulously, "May 21, 1996, was also a Tuesday when Qin Xuelan and her mother Zhang Huiqun disappeared!"

Yang Jinwen asked sternly, "Where is Ma Weiwei?"

Jiang Bala, his hands trembling, found this year's calendar. Fu Yun and Maozi quickly followed and found the date Ma Weiwei disappeared: July 8th.

After glancing at it, the three of them looked up and couldn't help but swallow hard.

They stared at Yang Jinwen in shock and exclaimed in unison, "Also on Tuesday!"

(End of this chapter)