The southern border is so secure that children are able to walk into the United States.
More than 35,000 illegal aliens, largely from Central America, are streaming across the US border each month.
The LA Times reported:
The call went out on Border Patrol radios just before sundown one day this week: 31 immigrants spotted illegally crossing the Rio Grande on a raft.
No sooner had the migrants been found hiding in the mesquite brush than another report came in: A woman and boy were walking up the riverbank.
The Rio Grande Valley has become ground zero for an unprecedented surge in families and unaccompanied children flooding across the Southwest border, creating what the Obama administration is calling a humanitarian crisis as border officials struggle to accommodate new detainees. Largely from Central America, they are now arriving at a rate of more than 35,000 a month.
Anzalduas Park, a 96-acre expanse of close-cropped fields and woodland that sits on the southern bend of the river, has turned from an idyllic family recreation area into a high-traffic zone for illegal migration.