There is so much coke being smuggled in on a daily basis that while the dealers will surely miss the profits from 19 lbs of coke seized,the market will never be able to tell it happened.
The ONLY way to stop it is to cut the heads off the snakes. Sure,"new snakes" will pop up to replace them,but just keep repeating as necessary.
The point is you will NEVER even slow it down at the retail level,so busting users is a waste of time and resources. You MUST go after it at the point of supply and remove the suppliers.
This ain't rocket science,folks.
AND........,WE don't even have to do it ourselves. All we would have to do in most cases would be to just tell the leaders of these various nations that we would be cutting off ALL foreign aid payments as well as trade to them until THEY eliminated the problem.