A sweeping five-month investigation by the Ministry of Justice has exposed a sprawling underground network of undocumented foreign gig workers using stolen, borrowed or rented accounts to operate illegally within the nation’s food delivery sector. Between January and May, immigration authorities intercepted 734 foreign riders and 16 local delivery agency operators for clear violations of the Immigration Act. The scale of the enforcement reveals a shifting labor landscape: the number of infractions represents an elevenfold spike compared to the 67 riders caught during the entirety of last year, illustrating an illicit market that has ballooned in tandem with the country’s heavily relied-upon smartphone delivery infrastructure. According to data released by the ministry's Immigration and Foreign Policy Bureau, Vietnamese nationals comprised the vast majority of those caught, accounting for 61 percent (444 individuals). Chinese nationals made up 22 percent (164 individuals), followed by Uzbek workers at 12 percent (86 individuals). More than half of the apprehended riders — 410 indiv