Whether it was the police or the Tojo Clan, Fang Zheng did not care. No matter how they searched, they would never find any clues. After all, Fang Zheng had worked with police forces in Japan in many worlds. He knew the investigation and interrogation methods used by the police in Japan like the back of his hand. As long as the police in Japan did not change their approach, Fang Zheng had no worries about them finding any traces.
Come to think of it, people in Japan were among the most set in their ways. Fang Zheng remembered that in his previous life, his company had once partnered with a firm in Japan. The company in Japan had a printing plan that basically involved punching two rows of holes into cardboard. Someone from Fang Zheng's company looked at it and felt it was too wasteful, so he came up with an alternating layout. The second row could be punched beneath the gaps in the first row, leaving enough room for a third row. It increased output and improved efficiency—a win-win.
He proudly submitted the proposal to his counterparts in Japan. Their boss was astonished after reading it and said, "Your idea is excellent, but... well, we've always punched two rows, so let's keep doing it that way."
That showed just how conservative and stubborn people in Japan could be.
The police in Japan were the same.
For the most part, Fang Zheng's plan had gone smoothly. As long as there was desire and money, there would be death. The saying that good people died young while villains lived for a thousand years was not uncommon. Whoever met the requirements, Fang Zheng would take the job and act. Of course, his disguises were so convincing that sometimes even the clients