At a time when U.S. concerns are growing over Canada’s plan to quickly embrace 75,000 Syrians, a top U.S. Border Control official told Congress Wednesday that only 300 agents guard the 4,000-mile border at any one time, an average of one every 13.5 miles.

In fact, added Dean Mandel, there are more Border Patrol agents in El Paso, Texas, alone, and more U.S. Capitol Police on duty protecting the Capitol complex.