Two recent articles in the main stream media highlight what most of us who live and work within 100 miles of the southern border have known for years. Interior Border Patrol checkpoints/roadblocks are ineffective, inefficient and rife with abuse.
Citing recently released ACLU documentation, the Associated Press reports that interior Border Patrol immigration checkpoints are responsible for less than 1% of illegal alien interdictions per year. See:
This despite the fact the Border Patrol allocates on the order of 10% of sector resources to interior checkpoint operations annually.
Also referencing the recent ACLU report regarding Border Patrol malfeasance, The New York Times wrote a far more comprehensive article. See: