human smuggling
noun /ˌhjuːmən ˈsmʌɡlɪŋ/
  /ˌhjuːmən ˈsmʌɡlɪŋ/
(especially North American English) (also people smuggling especially in British English)
 [uncountable]- the crime of illegally transporting people across international borders- We need more effective measures to combat human smuggling.