Conan: The Mechanic

"Didn't you find anything?" In the office, Gregory held a stack of photos taken by Hoshino Kaede's Polaroid in his hand, flipping through them one by one.

At this moment, the door of the office was opened again - A, whom Chiba had seen before, walked in with a solemn expression. "The results of the patient's lumbar puncture are out."

"Well," Gregory temporarily put down the photo in his hand and looked at A. "From your expression, the cerebrospinal fluid is definitely not clear."

"Yes," A nodded solemnly. "The result of lumbar puncture has red blood cells, which can be determined as intracranial hypertension caused by cerebral hemorrhage due to cerebral arterial malformation."

"Open the floodgates," Gregory picked up the photo again. "I don't need to teach you how to do it?"

"Cranial piercing," A nodded. "We're going to start preparing for the buck now."

"What's the situation?" Hoshino Kaede frowned when A left. "Have you had a craniotomy to relieve pressure?"

"It's not to relieve myopia anyway, (author: Intracranial hypertension can cause myopia Gregory picked up the stack of photos again, looking at each photo while throwing the photos he'd seen on the table in the posture of dealing cards Above - his technique is so proficient that all the pictures are re-stacked on the table after an arc in the air. "Hiroshi Nagano suddenly fell into a coma during the CNS examination, so..."

At this moment, Gregory's hand suddenly stopped, and his eyes stopped on the photo that was almost sent out in his hand.

In that photo, the cabinet door was wide open, and it was densely filled with various instruments.

But Gregory's eyes stayed on things other than the contents of the cabinet.

Above the cabinet, the cat was lying in front of the full food bowl, looking lazily at the camera.

"Anyone of you fed this cat?" Gregory narrowed his eyes slightly and looked at Hoshino Kaede.

"Theoretically not," Hoshino Kaede shook his head. "This photo was taken earlier in the photos we took. This is what the food bowl looked like when I went in."

"Did the patient eat the hospital's lunch?" Gregory asked again.

"No," Hoshino Kaede shook his head. "I had the nurse give him a high-energy snack to replenish his blood sugar before the CT scan, but he said he didn't want to eat, so in the end we just gave him a small amount of glucagon."

"It's interesting that a diabetic who didn't eat lunch would not want to eat..." Gregory stood up. "Hoshino, you go to suspend the craniotomy immediately, at least an hour and a half, and keep them in contact, and then we will gather at my car."

…

Thirty minutes later, Nagano House.

Gregory, wearing a gas mask and wearing a chemical protective suit, entered the Nagano Mansion from the main entrance together with Hoshino Kaede, who was also dressed up. Chiba was left outside the door by them, and was warned to hide in a hidden place.

"The windows are all closed," Gregory ordered, and he closed a window beside him at the same time. "Then use that thing of yours to test out the gas."

Hoshino Kaede held a white leather ball wrapped in a metal outer skeleton in his hand and nodded.

For such a big cat, the amount of food in the cat food bowl is at most the level of two meals. However, no cat food was added for at least six or seven hours after noon (Hiroshi Nagano became ill). The cat food bowl is still full, which means that the cat may not have eaten.

Considering that Mr. Hiroji Nagano also suffered from loss of appetite, this is likely to be some kind of external toxin. At the same time, Hoshino Kaede and others stayed in the Nagano house for a long time without protection, but there was no abnormality, which means that this toxin is likely to be a toxin that takes a long time to be infiltrated to take effect, that is, a gas toxin—this That's why Gregory asked to close the window.

All the windows were closed one by one.

Hoshino Kaede plucked out a layer of peeled skin on the white ball, and tore off the entire white outer skin with three strokes, revealing a glass ball covered with various test papers on the surface of the sphere. .

These test strips correspond to more than 100 common indoor toxins, and can basically cover any poisonous gas that may appear indoors. However, it takes a certain amount of time for the test strip to react, so before the test strip reacted to a specific poisonous gas, Gregory and Hoshino Kaede began to search the entire Nagano house to see if there was any possible source of the poisonous gas.

"..." Gregory walked into Hiroji Nagano's room, only to find that the scene here was almost the same as the one in the photo - even the cat looked straight ahead as in the photo, and was not at all wary of his arrival. .

It seems that the cat is dead, and the cause of death is the cause of Mr. Hiroji Nagano's illness.

Thinking like this, Gregory stood in Nagano Hiroji's room, looking around the walls and observing everything around him.

It seems that Nagano Hiroji is used to sleeping on the ground, and this large bed sheet on the ground is the best proof - Gregory also lifted the bed sheet to check, UU reading www.uukanshu.com confirmed that there is no poisonous gas source underneath.

Just as he stood up, Gregory's gaze stopped at what looked like a central air-conditioning vent above the door.

"?" Gregory raised his eyebrows, then looked at the same height behind him - an air conditioner was hanging there.

[When there is an air conditioner, is there a central air conditioner? Wait a minute, isn't it...] Gregory suddenly thought of something, then walked to the window and looked outside. After finding nothing, he walked to the living room of the Nagano house and looked out a window with a wider view.

The night has completely shrouded the land, and most of the houses in the vicinity have turned on their lights more or less, except—

Gregory's eyes were fixed on a dark house next to Nagano House. Compared with other houses, this house seems to be very close to Nagano House. Gregory could even see a pipe embedded in the wall of the house over there.

Gregory glanced to the side and found that the Nagano House also had a pipe buried in the ground on this side. [Wait, the height of the pipe that protrudes from the Nagano house seems to be higher than the ceiling? 】

Gregory suddenly lowered his head, the corners of his mouth slightly raised.

"Gregory," Hoshino Kaede's voice sounded behind him. "The toxicology test found a match, yes-"

"Methyl bromide?" Gregory turned his head and looked at Hoshino Kaede with a clear understanding of everything. "yes?"

"Yes!" Hoshino Kaede was stunned. "But how did you know?"

"Let's go back, we'll talk after we go back."