Mo Fei was trying hard to make money, while Chief George Stacy was stuck in a deadlock. Paul Green was currently in custody, and the situation was not optimistic. George Stacy understood that this guy wasn't an inside man.
The flaw was too obvious. If he were an inside man and was ultimately convicted, he would face a long prison sentence. What would he gain from it? He had a good financial situation, a decent income from his job, and no bad habits. It was impossible for someone like him to rob a bank and get caught, unless there was an unknown reason.
Chief George Stacy mobilized a large number of personnel to investigate Paul Green, as well as the bank manager. The police naturally wouldn't let any suspicious person off the hook, and the manager was also a key suspect, especially concerning the vault keys and password; he could also be an inside man. However, Paul Green's suspicion was currently greater because the technical department detected no signs of intrusion, and both his landline and mobile phones were confirmed to be functioning correctly.
The situation looked very complicated now, and the case was baffling. If they could find Paul Green's motive, everything would be fine, but if they couldn't, even prosecution might not be successful.
At the same time, the Commissioner was also facing a difficult problem. The head of the New York traffic monitoring center was very cooperative, but when the police came to collect evidence, they found that the internal surveillance video was missing. The duty personnel at the traffic monitoring center at the time stated that the surveillance footage they saw showed no signs of congestion, and the fingerprints on the landlines used to make the alarm calls were too numerous to distinguish.
This was no longer something an inside man could do. The police dispatch had recordings of the alarm calls, but the voices included men and women, with rough and thin tones, and high and low pitches.
Ken Martin had been a police officer his entire life and had encountered many bizarre cases, but he had never encountered one as impossible to start as this. The police technical personnel had also inspected the place, and the technical personnel from the monitoring center had also conducted their checks, but they found nothing. There were still no traces of intrusion. Even the operation records here showed no issues. Ken Martin realized they had encountered a formidable opponent.
Returning to NYPD headquarters, he called George Stacy over. "George, how are things on your end?"
"No progress at all. Paul Green, who is currently the prime suspect, has no motive. We are still trying hard to find a breakthrough. How about you?" George Stacy placed his hope on the Commissioner.
However, he was bound to be disappointed. "No clues whatsoever. There's nothing useful there, and the technical inspection also found no problems. Our opponent is like a ghost," Ken Martin said helplessly. "After a lifetime as a police officer, this is the first time I've encountered a case I can't get my hands on, even with a suspect."
George Stacy was also very disappointed after hearing this, but he seemed to have grasped something and fell into deep thought, not hearing the Commissioner's complaints. Ken Martin complained a bit, but his subordinate didn't seem to be comforting him at all. He looked up and saw that his most capable chief was lost in thought. He felt there might be hope, so he also quieted down.
They sat there like that. An hour passed. George Stacy suddenly looked up and then said to the Commissioner, "Commissioner, what if Paul Green is telling the truth?"
"What do you mean?" Chief Ken Martin frowned. This hypothesis didn't hold up based on the current evidence!
"If he's telling the truth, it means this group of robbers possesses very advanced hacking technology. They hacked into the bank's security system and locked the electronic locks. They also hacked into the telecommunications company and cut off the external communication for the landlines and mobile phones. If they could hack into the bank's security system, then knowing that the manager had the keys and obtaining the vault password probably wasn't that difficult. There are three cameras pointed at the vault," George Stacy said, his tone gradually becoming more certain as he spoke.
"But our technical personnel didn't find any traces left by the other party!" Ken Martin said.
"Given what they could do, we can't estimate how good their technology is. Especially the New York traffic monitoring center, their equipment is very advanced, and the management process should also be in order. Yet, they managed to achieve this. This is the only flaw they left behind," George Stacy had found Mo Fei's flaw.
The police found no clues at the traffic monitoring center. George Stacy pinpointed the flaw through this very fact. This place was not ordinary. Could a group of people act with impunity here without leaving any trace?
George Stacy continued, "Did you notice? Our clues have always revolved around the issue of an inside man. But what if there's no inside man? Everything relies on hacking technology intrusion, then everything becomes clear. If we can't detect it, it means our technology isn't good enough. And if we make this assumption, doesn't everything fall into place?"
Ken Martin was stunned. He was in his fifties. Although the times were advancing rapidly, he, as an old-school police officer, did not have a deep understanding of technology. They were more inclined to rely on experience.
However, he had to admit that George Stacy's words were very accurate. After thinking for a long time, he finally nodded and said, "That makes a lot of sense, George. But first, go to the technical department and ask them if anyone's technology can really do this. If necessary, I will apply for support."
"Understood!" George Stacy hurried to the technical department. As soon as he entered, he summoned all the technical personnel, regardless of what they were working on, and told them to gather in the conference room immediately.
"Everyone, I have some questions to ask. Answer if you know, and give some hypotheses if you don't. This is very important." George Stacy had already organized his thoughts. As the chief with the highest case-solving rate in the NYPD, he possessed meticulous thinking.
The technical personnel were confused but understood the need to obey orders. Fortunately, they were part of the New York Police Department, and the department's funding was always generous, so the technical department was fully equipped.
George Stacy looked at everyone and then began to ask, "First point, were there any external devices connected to the bank's monitoring system for system intrusion? You should have already checked this."
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