"The tape was actually a bit unnecessary. By normal manufacturing standards, as long as the car was airtight, simply closing the doors would be enough to make charcoal-burning suicide possible. Putting on this much tape... was rather redundant."
"No need to put it so tactfully, Akechi. It was deliberate, an attempt to create the illusion of suicide."
"Ah, another so-called 'locked-room murder,' huh? I don't know if it's because detective novels are too popular, but I always feel like the criminals around here have some kind of obsession with creating these 'impossible crimes'..."
"Can't be helped. There really are too many detective enthusiasts in Tokyo..."
Sankaku Atsushi, his hands bound and his head hanging low inside the car, listened to the two detectives outside picking apart his vehicle. He raised his head and let out an unwilling protest.
"If, if you hadn't suddenly pinned me down for no reason, then I think I..."
"It wouldn't have mattered." Conan, who had been standing outside the car watching the two of them, turned around and gave the indignant criminal a flat glance. "There may be cases in this world that cannot be solved due to limited conditions, but sir, you killed someone out of resentment after arguing with your girlfriend. This was never some meticulously planned crime. You didn't think a method you came up with on the spot could fool experienced detectives, did you?"
He said it with complete sincerity and no trace of mockery. He was genuinely puzzled.
Murder—even murder motivated by deeper reasons and carried out after careful planning—was somewhat ordinary in Tokyo.
"But, but I... I don't think there was anything wrong with my idea..." Sankaku Atsushi protested resentfully at the elementary schooler who seemed to be looking down on him. "As long as I found an opportunity