This week, they could say they need it to fight drugs or other cross-border contraband. Next week, they might need it to fight international polluters or revert to the tried-and-true national security justifications.
To get through some of the nastiest laws, the state shows us a boogey man puppet show. Propaganda to give up your basic rights, and add power to the corruptocracy. Talk to your local representative about human rights, see if they joke or sneer.