Looking at Zhang Fan's actions, everyone in the room fell silent, and countless eyes suddenly fell on Zhang Fan's body.

"Xiao Fan, what did you find?" Dong Qing hurriedly asked.

Zhang Fan looked at the frozen projection on the wall, and his eyes were fixed on Old Man Dong.

The healing spirit value suddenly increased by more than thirty points, which must be right.

At this time, the old man Dong walked in the Dong family compound.

The lights around are white and flawless! There is no difference from the daytime! The entire Dong family's small courtyard can be seen clearly!

But what is the medium?

Zhang Fan's eyes widened, looking at everything around him.

Flowers?

Old Man Dong didn't touch anything either!

What exactly is the reason?

Suddenly, Zhang Fan's eyes flickered.

On the ground, a puddle of water stains! Under the illumination of the light, wisps of faint smoke appeared on the surface!

Having a problem with water?

Zhang Fan immediately turned his head and asked Dong Qing, "What is the name of the bodyguard on the left of the old man?"

"Tsui Hark, what's the matter, there's something wrong with him?" Dong Qing said in a deep voice, his eyes shooting a cold light.

Zhang Fan hurriedly shook his head: "No! I'll ask casually!"

Immediately, Zhang Fan directly opened the system.

"Healing, Tsui Hark!"

"Ding, the subject's vital signs are intact!"

Hearing these words, Zhang Fan fell into contemplation again!

Good vital signs?

If the water on the ground is a toxin vector, then the two bodyguards beside Old Man Dong will definitely be poisoned!

No, not at all!

There must be something missing!

Absolutely!

However, there was nothing but water on the ground.

No wind!

No other external elements!

Moreover, the bodyguards around Old Man Dong are safe and sound!

What the hell is the problem!

Zhang Fan's eyes flickered sharply, his pupils constricted, and his whole eyes were fixed on the projection on the wall.

Immediately, Zhang Fan took the hive controller and called up the video of the section just now.

Old Man Dong walked in front, followed by two bodyguards.

Nothing unexpected happens!

Immediately, Zhang Fan stared at the other people around him.

I watched it six or seven times over and over again.

However, there are no suspicious people!

But why was Old Man Dong poisoned?

Looking at Zhang Fan, who was deep in thought, everyone's eyes widened.

What's the situation?

"Xiao Fan, did you find something?" Lin Yan asked!

Zhang Fan nodded, and then asked Lin Yan: "Grandpa Lin, take a look, if Grandpa Dong is poisoned here, look at it, what is the medium of poisoning?"

"Just this environment?" Lin Yan frowned.

Immediately, he affirmed: "Only the water on the ground is suspicious!"

Zhang Fan shook his head: "Except for the water on the ground?"

Lin Yan's eyes widened, and after looking at it for a long time, he immediately shook his head: "Then I don't know!"

Suddenly, Zhang Fan's eyes flickered.

Wait, the poison in the old man's body is a mixed poison, is it possible that the water on the ground is just a trigger condition?

What Old Man Dong did, and what the other bodyguards didn't do!

Zhang Fan's pupils constricted, and he quickly recalled all the things that had happened since Old Man Dong went out.

Food?

It seems that the bodyguards have not touched the only thing that they have touched, but the food!

However, Dong Qing said that the old man's diet was all checked.

Even if it's a mixed poison, there will be other ingredients!

What's the problem?

For a moment, Zhang Fan fell into contemplation again.

"Brother Fan, that light seems to have flashed!"

Ye Xuan pointed to the lamp on the projection and sighed lightly.

"Lights?"

Zhang Fan's eyes suddenly froze and looked towards the projection.

"Where?" Zhang Fan hurriedly asked.

"It's the one in the middle, when Grandpa Dong passed by, the lights dimmed a little. Ye Xuan said softly.

Suddenly, Zhang Fan's eyes were fixed on the light.

Looking at Old Man Dong from the cleaned ground again, Zhang Fan's eyes flickered.

Indeed, when Old Man Dong passed by, the lights suddenly dimmed a little.

However, when Old Man Dong walked by, the lights became normal again!

Is it a problem with the lights?

Zhang Fan turned his head and asked Lin Yan, "Grandpa Lin, is there any toxin that is decomposed by light?"

"Light decomposition?" Lin Yan pondered, and then, his eyes widened.

"Yes, absolutely!"

Zhang Fan suddenly stood up and said to Dong Qing: "Check that lamp, right away!"

Dong Qing nodded and walked out with a calm face!

Twenty minutes later, Dong Qing walked back, his eyes were mixed with an extremely angry look.

"The lights have controllers on them, remote controlled, and a UV irradiator on them. ”

Hearing Dong Qing's words, Zhang Fan took a deep breath.

Paralysis, poisonous spiders, this group of miscellaneous pieces, high-tech is used.

Starting with the light, if it weren't for Ye Xuan suddenly discovering this problem, I'm afraid no one would have thought that the reason was actually on the lamp.

What's even more terrifying is that they know the living habits of Old Man Dong well!

Instead of starting with food, they started with the most ordinary things that cleaned the ground, water and lights.

This scheming is so terrifying!

Thinking of this, Zhang Fan has a new understanding of poisonous spider people.

Kill invisibly!

"Experiment immediately to see if it is the cause of ultraviolet rays and water on the ground!" Zhang Fan said immediately.

"Well, I'll go in person!" Dong Qing nodded and walked out again.

Seeing Dong Qing standing in the position where Old Man Dong was standing before, Zhang Fan immediately turned on the treatment system.

"Treatment, Dong Qing!"

"Ding, does it cost 38 psions to heal?"

When Zhang Fan heard this voice, Zhang Fan finally became excited.

Damn, it's this thing that poisons Old Man Dong!

Soon, Zhang Fan told Dong Qing the news!

And Dong Qing also launched a vigorous approach.

In less than ten minutes, all the information of the person who installed the lamp and the person who washed the floor was found.

"People are no problem! They are all long-term workers of the Dong family! It's been more than 20 years! If they wanted to harm the old man, the old man would have died a long time ago!" Dong Qing's eyes were extremely cold!

"The people who have come into contact with both of them this month, all of them! Especially the newcomers!"

"Hmm!"

Little by little, time passes!

Until late at night!

However, after investigation, it was found that

There are no suspicious people!

Seeing this result, Zhang Fan's eyes widened and he looked confused!

The group of poisonous spiders can really be seamless?

How can there be such a thoughtful person? There are no loopholes!

There is no problem with anyone who has been in contact with these two people!

Thinking of this, Zhang Fan had a headache.

Soon, though, a sneer appeared on his face.

"Uncle Dong, spread the news, just say that Grandpa Dong is poisoned, and Grandpa Gao and Grandpa Lin are discussing the treatment plan for Grandpa Dong. ”

What if you hide deeply, Lao Tzu will lead the snake out of the hole!