Neither sealed their borders.
North Korea only sealed the DMZ. How many troops per mile does that average, 50,000? Japanese agents still infiltrate North Korea at will from sea. North Koreans cross back and forth into China constantly.
East Germany only sealed half of Berlin.
Our wet and dry border is over a hundred thousand miles. For almost two years I have been challenging the anti-illegals to produce just one scholarly study showing that it is feasible to seal our border. No one has even made a single proffer.
Your "belief" that it can be done just doesn't cut it. Smugglers would go so far as to use submarines if they needed.
"Police in Colombia say they have found a half-built submarine in a warehouse in a suburb of the capital Bogota. This is huge - we're talking about being able to load up to 200 tonnes of cocaine in this submarine
