The states have the authority to do so, and as a result, a consensus among them empowers the Feds to get involved. Interstate law enforcement and protecting our borders are already constitutionally recognized Federal areas of responsibility.
I will also add that only the Federal government can be empowered to deal with a crime that is mostly international in origin.
“The states have the authority to do so, and as a result, a consensus among them empowers the Feds to get involved”
BZZZZTT. WRONG. But we have some lovely parting gifts for you.
L