The Department of Homeland Security has widened its investigation into migrant children found cleaning slaughterhouses and is now working with the Justice Department to examine whether a human smuggling scheme brought migrant children to work in multiple slaughterhouses for multiple companies across multiple states, according to two U. NBC News reported in January that DHS’s Homeland Security Investigations (HSI) was investigating whether children ended up working for PSSI through a human trafficking scheme. “You can look at the ID and tell the person on the ID is not even close to the person standing in front of you," the manager said