Diary of a Criminal Investigator

Chapter 664: The Human Heart Cannot Be Seen Through

Haizhou City Criminal Investigation Team Interrogation Room No. 3.Zhang Zhigao sat silently in the interrogation room.

Sun Jun, Lan Bingyu, and others had caught him last night.

But Zhang Zhigao didn’t say anything.

"Captain Qin, he says he wants to see you."

Sun Jun was responsible for the interrogation, but got nothing out of it all night.

Eventually, the suspect made a request to see Qin Yong.

See me?

Qin Yong had just gotten up from the sofa, looking exhausted.

Hmm, after Zhang Zhigao was apprehended last night, Qin was busy for half the night.

Qin Yong had only slept for a little over three hours.

"Why does he want to see me?"

"He didn’t say, just that he wouldn’t confess unless he saw you."

Qin Yong thought for a moment: "I’ll wash my face, wait a moment."

Twenty minutes later.

Qin Yong, dressed in his police uniform, appeared in front of Zhang Zhigao.

"You wanted to see me?"

Zhang Zhigao was the big fish Lu Chuan had baited and captured.

"You’re Qin Yong?"

Zhang Zhigao’s back was hunched, his face lined with wrinkles.

Qin Yong looked at him, honestly unable to believe that this was the man who had orchestrated everything.

"Zhang Zhigao, we’ve got the man and the evidence. Saying nothing is useless now."

"And even if you stay silent, it doesn’t mean your son won’t spill everything."

"He just got caught last night and already confessed to your instructing him to use hacking skills to disrupt the surveillance at Azalea Mall."

"What’s the point in resisting now?"

"Besides, doing this... Can you face your daughter?"

"Zhang Xiaoman is your biological daughter, right?"

"You actually killed your daughter for money?"

"And used your granddaughter’s life to threaten Chen Kai?"

"Are you even human?!"

Everyone was shocked when they caught this man.

No one expected that the one blackmailing Chen Kai into returning was his closest family member.

"There’s nothing about doing right or wrong."

Zhang Zhigao’s face was expressionless.

"I’m just curious, how did you come to suspect me?"

Suspect how?

This question takes us back to yesterday’s arrest of Chen Kai by Lu Chuan.

Yesterday, the most critical clue leading to Chen Kai’s hiding place was tracking his granddaughter’s movements.

While trailing Zhang Zhigao, Lu Chuan suddenly suspected something.

Chen Kai had been abroad for 18 years without returning.

And he had fled the mainland due to his crimes.

So why would Zhang Zhigao agree to let him see his granddaughter?

From a normal person’s perspective, Zhang Zhigao would never agree to Chen Kai seeing his granddaughter.

But he not only agreed, he personally took his niece to meet him.

During Chen Kai’s arrest by Lu Chuan, Zhang Zhigao remained exceptionally calm, as if none of it surprised him.

Lu Chuan, sitting in a taxi, called to gather more information on Zhang Zhigao’s background.

The information he received only deepened his suspicion of Zhang Zhigao.

Zhang Zhigao had actually been living with Chen Kai’s son the whole time.

Even Chen Kai’s elderly parents moved into Zhang Zhigao’s home.

Afterwards, Chen Kai’s parents, his son, and daughter-in-law, who was also Zhang Zhigao’s biological daughter, all died of lung disease one after another.

Chen Kai’s son maintained contact with him all this time.

The police hadn’t discovered this contact because it was done through letters, not electronic means.

Chen Kai’s son never really worked over the years.

Yet, he always had money to spend.

Clearly, all of this came from the money Chen Kai left him.

For 18 years, Zhang Zhigao’s family lived off the money Chen Kai left his son.

Another crucial clue was that, while gathering information on Zhang Zhigao, Lu Chuan discovered he had another son.

This son studied computer science.

This led Lu Chuan to a bold thought.

Could Zhang Zhigao be the one manipulating everything behind the scenes?

But there was one improbable thing: the death of Chen Kai’s daughter-in-law.

That was Zhang Zhigao’s own flesh and blood.

Would someone really harm their own child for money?

Yet the information about Chen Kai returning was highly confidential.

Only Zhang Zhigao knew.

Because Chen Kai needed to contact Zhang Zhigao to take his granddaughter away.

As a result, Chen Kai’s outing to the mall was exposed.

Therefore, yesterday during Chen Kai’s arrest,

Lu Chuan whispered the plan to him while handcuffing him.

Using the money Chen Kai left as bait,

to deliberately reveal the location of the hidden money to Zhang Zhigao, forcing him to make a mistake.

Sure enough, Zhang Zhigao fell for it.

Caught red-handed.

Zhang Zhigao sat steadily on the interrogation chair.

"Captain Qin, can what you say... prove that I’m guilty?"

"Regardless of what my son confessed, who can prove it was me who ordered him to hack the mall’s surveillance?"

"And as for saying I killed Chen Kai’s parents, his son, and my own daughter, what evidence do you have?"

Evidence?

Qin Yong snorted coldly.

"The Cyan Fish Gall found at your residence!"

"Consuming this long-term causes lung disease!"

"Did you use this to kill them?"

Zhang Zhigao shook his head: "Captain Qin, Cyan Fish Gall is a traditional Chinese medicine. Using it isn’t illegal."

"And regarding last night’s incident, I admit I went to Chen Kai’s old house to get the money."

"But that was quietly told to me during Chen Kai’s arrest yesterday."

"He said it was money he left for his granddaughter."

"Going to retrieve it isn’t illegal, right?"

...

At the hospital.

Sun Jun, representing Action Group One, visited Lu Chuan.

He also reported on the progress of the case to Lu Chuan.

"Currently, there isn’t enough evidence to charge Zhang Zhigao with the murders of Chen Kai’s parents, son, and daughter."

"After all, too much time has passed."

"The strongest evidence right now is his son testifying that he hacked into Azalea Mall’s surveillance on his orders."

"However, at the time Zhang Zhigao didn’t tell him why he should hack the surveillance."

"Zhang Zhigao’s son is entirely unaware of his real motive."

Lu Chuan was recovering quickly.

Fortunately, the injury wasn’t too severe.

Plus, Lu Qiqiang moved him to Qiangsheng Group’s hospital after finding out.

He used the best medicine, hired the best doctors.

Not to mention Shen Yan’s meticulous care, Lu Chuan’s complexion had improved greatly.

"Brother Sun, so the evidence is insufficient?"

Sun Jun shook his head helplessly: "That appears to be the case."

"What about the money from Chen Kai’s old house? He was caught on the spot."

"He said he took the money for his granddaughter."

"Chen Kai’s money, for his granddaughter..."

This old guy...

"So what happens now?"

"What else can we do? We’ve already confiscated the Cyan Fish Gall found at his home."

"Other charges are being filed as well."

"We’ll have to wait for the trial."

Sigh.

Sun Jun sighed.