Immigration and illegal entry have always been a painful problem for humanity for decades of existence and development. Although countries have issued many warnings and tightened security along with many forms of strong punishment, this problem has never been completely resolved, even with the tricks of criminals crossing the border. increasingly more sophisticated and stubborn. We certainly cannot forget the horrifying event that shook the whole world 5 years ago: At 1:20 a.m. on October 23, 2019, British police discovered the bodies of 39 Vietnamese people who died in a massacre. a refrigerated container truck. They were all people who participated in the journey of illegally crossing the border and died right before the moment they thought they had reached the promised land.