Just about anything that goes through overseas shipping is going to go through customs. Most of the time they just look at the description of the package and wave it on through if it doesn't look suspicious in other ways. They can not ever possibly have the resources to open up and inspect every single package. Not in a million years.
People ship drugs like that all the time... Most of the time if a package gets held up they'll just ship another one because in places like China where things like fentanyl analogues are made the supply is so high, and they charge Americans so much for it, they'll just reship as many times as needed to get it through if customs holds it up.
Just about anything that goes through overseas shipping is going to go through customs. Most of the time they just look at the description of the package and wave it on through if it doesn't look suspicious in other ways. They can not ever possibly have the resources to open up and inspect every single package. Not in a million years.
People ship drugs like that all the time... Most of the time if a package gets held up they'll just ship another one because in places like China where things like fentanyl analogues are made the supply is so high, and they charge Americans so much for it, they'll just reship as many times as needed to get it through if customs holds it up.