Two policemen left, ten minutes later.

"Song Wanyu, female, 31 years old, M city people, online writer ..."

"Six years ago, I went out to play, encountered a theft case on the way, was listed as a suspect, and then released the suspicion after investigation."

"Since the outing six years ago, there has been no investigation into any travel records that have left the original city, identity information and consumption information are normal, and there are no bad records and cases..."

Putting down the tablet, Wang Dong was puzzled, staring at Xiao Yu who was looking down and pondering next to him, "Do you doubt her? "

"Why can't you doubt?"

Xiao Yu looked up, took the tablet, and carefully looked at the suspect's personal information again, "Where is there such a coincidence." From the day I was a police officer, I basically didn't believe in coincidence. The last time the killer group case was solved, even the accident could be controlled, do you still believe in coincidence? "

Wang Dong: ...

God believed.

Looking back at the killer group case, his heart is creepy.

Isn't the ability to use the brain to calculate accidents?

However, this kind of monster was actually taken down by Xiao Yu, doesn't it mean...

"Don't look at me with that kind of monster-like look."

Xiao Yubai glanced at Wang Dong, "I will be angry!" "

Friends to friends, you plant a flag for me, I am just as angry.

"Kukukuku!"

Wang Dong laughed and relaxed inside.

Never mind if the little brother is a monster or not.

He is now his own person, which is very reassuring.

There is a little brother to fly, not to mention what cases encountered, lie down and finish...

"I warn you, in the future, use me less as a tool person."

Xiao Yu's IQ, where can not see Wang Dong's thoughts, "In the future, you will find me less in your life, I just want to be a small policeman quietly." "

"Cut."

Wang Dong was dismissive, "When you said this, you believed it yourself?" The case in front of you is not your own investigation? "

"Ah this..." Xiao Yu was speechless.

But my heart is crying: How have you wronged me!

"Don't get skinny."

Wang Dong put away his smile, "Why check her?" "

The little brother checked this female passenger, there must be a purpose.

Are they all smart people, really when his brain is white?

"Travel records."

Xiao Yu's expression became serious.

Just the two of them joked, they were relaxing their mood, and the old criminal investigators understood.

Keep a relaxed mood in order to have a better way of thinking to reason.

"Travel history?"

Wang Dong frowned, "Compare the travel records of female passengers with the three members of the Ji family?" "

Yes, how can there be so many coincidences in the world?

If the female passenger is suspicious, she wants to steal the platinum ball.

Then she must explore the travel records of the Ji family.

It was determined that the Ji family would take that train, and then enter this train, and also enter the sleeper box where the three members of the Ji family were.

If she is the thief, then her travel records will definitely be in trouble.

Enough to buy a sleeper ticket, can I specify a seat in the carriage?

No way!

Whether it's buying tickets at the train station or booking online.

In the case of sufficient remaining tickets, several people who purchase tickets together can sit next to each other, but they cannot choose their own seats.

Only the high-speed train has this function, and puku express does not have it.

Suddenly.

"Found it!"

Xiao Yu, who was turning over the tablet, had a cold expression.

He's not looking at the female passenger's ticket purchase records now.

Because, there is no record of her selling tickets that day.

What the heck?

She didn't sell tickets, so how did her sleeper tickets come from?

You should know that since 2012, train tickets are real-name system.

The real-name system is true, there is a case where you can still take the train.

Use someone else's ticket!

Is it okay to do that?

Indeed you can.

When collecting tickets, just go to the ticket machine to get them, as long as you have an ID card.

When checking in tickets, you don't need an ID card.

On the train, only the ticket is recognized, not the person.

So......

"How did her ticket come about?"

Xiao Yu narrowed his eyes, somewhat incomprehensible.

He also investigated the purchase of tickets for the three members of the Ji family.

Online shopping?

Wait a minute...... Book four tickets at once?

Xiao Yu was stunned for a moment, thinking that he had read it wrong.

That's right, the ID card of the three members of the Ji family, plus a woman's ID card.

However, this person was not the female passenger, but a relative of the Ji family.

When collecting tickets, it is also possible to take away four tickets at a time...

When riding in the car, the relatives of the three members of the Ji family did not appear.

Tickets, instead in the hands of a stranger?

Xiao Yu's brain is a bit chaotic, what is this operation?

Be aware of the case investigation records show.

The three members of the Ji family reported the case on the train, claiming that they did not know the female passenger?

The ticket, however, appeared in the hands of the female passenger.

Is it reasonable?

"Unless..." Xiao Yu's expression became strange.

"The three members of the Ji family are their own people, and there is an internal ghost?"

Wang Dong looked dumbfounded, "Help the thief buy tickets to steal his own family's things, and then... Kill their family? "

"This operation can no longer be described as a donkey."

Xiao Yu's expression was also the same as that of seeing a ghost, "It doesn't make sense at all!" "

Or is my understanding wrong and there is an international level of understanding?

"It doesn't matter if there's a reason."

Wang Dong sneered, "Song Wanyu... The problem is big, first find someone to interrogate. "

Xiao Yu nodded.

Yes, the problem is too big!

......

Seven hours later.

M City, a residential building in a community, a small apartment, a bedroom and a living room.

The suspect, Song Wanyu, is a housewife.

The profession of a writer is indeed very homely.

Xiao Yu raised his hand and knocked on the door a few times.

Not long after, the door opened, and a woman wearing pajamas and wearing a shawl appeared in front of Xiao Yu, "Who are you looking for?" "

It was the suspect Song Wanyu.

Medium-to-high appearance, good figure, giving people a feeling of some cold.

The other party didn't seem to wake up.

"Police, there is a case that I would like you to cooperate with."

When Xiao Yu took out his police officer's card, his eyes were staring into each other's eyes.

There was no panic, and there was only doubt on the expression... No problem?

The other party's performance is very normal, and there is no doubt.

This actually made Xiao Yu a little incomprehensible.

"Police?"

Song Wanyu was stunned a little, "What case?" "

"I ask, six years ago... On XX day, you left the city to travel, right? "

Seeing that the other party did not have the intention of inviting himself into the house, Xiao Yu asked.

"Six years ago?"

Song Wanyu was confused, tilted her head and thought, shook her head, "Officer, you are looking for the wrong person, right?" Except when I was in college, I never left the city. "

Xiao Yu's heart clucked.

Looking at Song Wanyu's eyes, something was wrong...

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