Wanna bet he and his family are all illegal and have a long history of drugs and human smuggling. Lock 'em all up or ship 'em back, either way.
I suspect the driver’s family was here illegally, and was thus susceptable to threats by organized crime figures involved in the human smuggling business. Since they live outside the law, they cannot go to the police when they are threatened, and are thus at the mercy of these thugs.
Reason #5612 to control the border.