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Thai Nguyen Provincial Police Department’s Economic Police have issued temporary detention orders for four individuals for allegedly using electronic devices to unlawfully interfere with the monitoring system of GSM, the Green Move and Smart Mobility Joint Stock Company, with the aim of misappropriating assets.
The suspects include drivers at GSM’s local branch: Trịnh Ngọc Chiến (born 1992), Đinh Quý Dương (born 1996), and Nguyễn Trung Thành (born 1990). The fourth suspect is Ma Khánh Hùng (born 2000), who is accused of directly supplying the electronic interference devices to the group.
Initial investigation indicates that Hùng previously worked as a driver for the company but was dismissed in April 2025 after GSM detected the use of unauthorized devices.
From May 2025 to April 2026, Hùng allegedly sold interference devices to taxi drivers at prices ranging from 500,000 to 900,000 VND per unit.
On 28 April 2026, the Economic Police task force caught Chiến, Dương, and Thành using the devices while transporting passengers.
At the scene, authorities seized eight electronic devices capable of jamming and disrupting customer identification signals in GSM’s journey-management system.
The devices targeted infrared sensors installed on the front passenger seat and rear seats of VinFast electric vehicles. These sensors are designed to detect passenger presence to synchronize trip data with the operations center. When the interference devices operate, trip data is not recorded accurately, creating opportunities for drivers to misappropriate part of the revenue.
The matter came to light after a cyber-space audit by the police, conducted in cooperation with GSM, following reports of anomalies in the journey data system.
During the investigation, all four individuals admitted to the violations. The case remains under further investigation by Thai Nguyen Police to determine the scope of the conduct and identify other individuals involved in supplying and using the illegal devices.
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