In recent years, signal jammers have gradually become a new tool in the hands of criminals, seriously threatening public safety. The West Bengal police recently successfully cracked a gang that used portable signal jammers to carry out bank robberies, revealing the dark side of the application of such technology in criminal activities.

Details of the robbery revealed: portable cell phone jammers blocked distress signals

　　It is reported that the case occurred on the afternoon of September 22, 2021, at the Gold Loan Bank in Chandernagore, West Bengal. On the day of the incident, two motorcycles carrying four robbers arrived at the bank, quickly subdued the security guards at the door, and then broke into the bank to rob. In order to prevent bank employees from calling the police, the gang of robbers carried a portable signal jammer to block all mobile phone signals inside the bank, making it impossible for employees to seek help from the outside world by phone or the Internet.GPS jammer

　　However, a smart employee in the bank managed to trigger the alarm system without the robbers noticing. This move prompted the police to quickly dispatch, and local police officers arrived at the scene of the crime within minutes and blocked the surrounding area.Wifi jammer

Police quick response: overcoming communication barriers to arrest

　　When the police arrived at the scene, they found that all mobile phone signals had been jammed, communications were completely interrupted, and they could not contact the superior command center by phone. This posed a great challenge to the police operation. However, in the face of the robbers' numerous obstructions, the police remained calm and coordinated their actions through other non-wireless means.

　　The on-site commander said that the robbers tried to use weapons to break out after realizing that they were surrounded, but the police decisively blocked all exits to prevent them from escaping. After a standoff that lasted for several hours, the police successfully captured one of the robbers on the spot, while the other three escaped in the chaos.

Loot and tools: signal jammers expose criminal methods

　　During the subsequent search, the police found two portable signal jammers, three homemade pistols, 60 rounds of ammunition, and a batch of tools for cutting safes. In addition, three motorcycles used by the robbers to escape were seized at the scene. The discovery of these devices further shows that the criminals carefully planned the robbery and used advanced technology to hinder the communication between the victims and law enforcement agencies.

　　Chandernagore Police Chief Arnab Ghosh said at a press conference: "The success of this operation is inseparable from the police's quick response and flexible response. We will continue to hunt down fugitive suspects and strengthen the control of illegal signal jammers."

Social response: Strengthen supervision to deal with emerging technology threats

　　This robbery not only reveals the new means by which criminal gangs use signal jammers, but also arouses widespread public concern about similar technologies. Signal jammers have legitimate uses in certain special occasions, such as ensuring the security of high-level meetings, but when they fall into the hands of criminals, they become a weapon that endangers society.

　　In response to the illegal use of signal jammers, the police said they will increase supervision of related equipment and crack down on illegal sales in the market. At the same time, major banks and financial institutions are also considering upgrading their security systems to prevent the risks brought by signal shielding.