It turns out that last April, the intelligence department discovered a suspicious person. With the idea of playing the long game, they continued to monitor him for a period of time. On one occasion, when the person was about to put intelligence in the mailbox, they followed him to the vicinity of Zhonghua Gate.
However, the other party was very cautious. At a crucial moment, the tracking personnel lost their way and were discovered by the other party, so they suddenly ran away. During the pursuit, the suspicious person was killed, and the clues were cut off.
However, the intelligence department was not to be underestimated. After analysis, they believed that the supplier was hiding near Zhonghua Gate. However, the Zhonghua Gate area was too large and densely populated, making it impossible to pinpoint the target.
They deduced that the person above them was likely a carrier pigeon, the head of an intelligence group that controlled the radio station, so they deployed the telecommunications department to monitor the Zhonghuamen area day and night.
Because at that time, the Military Intelligence Investigation Department was helpless against Japanese spies. It was rare to find a clue this time. Gu Zhengqi gave a death order that the case must be solved with all efforts. So Yu Cheng led a large number of people and telecommunications personnel to stake out the area for two whole months. They spent a lot of money and finally grasped the pattern of the radio waves, found a relatively specific location, and narrowed down the target area to the vicinity of Xiangling Lane in Zhonghuamen District.
That very evening, just as they were about to launch another large-scale raid on Ringing Alley while the other party was sending a telegram, they planned to catch them red-handed.
That evening, the radio signal suddenly disappeared, so Yu Cheng had no choice but to continue the large-scale search as planned. He searched every single one of the fifty-eight households in Xiangling Lane, turning them upside down and searching every inch of each house, but found nothing.
The operation, which took two months and consumed a great deal of manpower and resources, ultimately failed. This greatly disappointed the intelligence department, and Yu Cheng, who was in charge of the mission, was naturally humiliated as well. And that was the end of the story.
Upon hearing this, Ning Zhiheng thought for a moment and asked, "So, this carrier pigeon must be a resident of Xiangling Lane, but it suddenly stopped sending messages on the day it was supposed to. Could it have noticed your reconnaissance operation?"
Yu Cheng spread his hands, looking helpless, and said, "I don't know! Maybe they discovered our operation. According to the pattern of the radio waves we monitored before, there should have been a transmission that night. We judged it to be a security signal from the Japanese spy group, which is sent once every ten days, always around 11 p.m.
Making the arrest at this time would have ensured the location of the Japanese spy who was transmitting the message, meaning he was definitely in Xiangling Lane at that time. However, since he did not transmit the message that day, we cannot determine whether the target was in Xiangling Lane at that time.
Indeed, the search yielded the same result: nothing was found.
Ning Zhiheng asked again, "Was no investigation conducted on the people in Xiangling Lane afterwards?"
“We did investigate, but we had no evidence and no means to screen. There are 58 households and more than 200 people in Xiangling Lane. How could I possibly have the energy to investigate and track them? It’s simply impossible.”
What Yu Cheng said was indeed true. Tracking and investigating one person requires a lot of manpower and resources, so tracking and investigating more than two hundred people at once is simply a fantasy.
"Were all the residents of Xiangling Lane present during the search? Did anyone leave that night?" Ning Zhiheng asked.
“Everyone was there. We led the household registration police to search house to house. It was late at night, and everyone was resting at home,” Yu Cheng replied.
Ning Zhiheng thought about it carefully and still felt that the other party was probably a resident of Xiangling Lane who had noticed the intelligence department's operation in advance, so he gave up sending messages that day and moved the radio station, making all preparations to deal with the search and thus avoiding this crisis.
Ning Zhiheng asked again, "It seems that the other party left Xiangling Lane and then came to the vicinity of Heilang Street. Have you thought about starting your investigation from this angle? Investigate whether any of the more than two hundred people in Xiangling Lane moved to Heilang Street later?"
Yu Cheng smiled bitterly, "Zhiheng, Nanjing is the capital city, and there are too many transient people. Many of them don't have Nanjing household registration; they're just temporarily registered and then disappear without a trace. In particular, they can easily rent a house by forging a certificate and changing their identity, which is not difficult for Japanese spies. For us to find someone is like looking for a needle in a haystack; it's just too difficult!"
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Thank you, parents, for your greatness that gave me life, thank you, parents, for your wisdom that shaped my soul, and most of all, thank you, parents, for making me a second-generation rich kid... a different kind of rich kid, but I really am. The latest masterpiece from veteran urban fiction author Zhongqiu Yueming, "I Really Am a Rich Kid," is now available! PS: A pair of wealthy, dramatic parents, raising their son in elaborate ways of "poor but rich." Witness the extraordinary life of this privileged young master.
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