onrthern border. the border patrol says despite their dedicated personnel and thl their technology, people are coming across illegally. last year, border patrol agents along the northern border caught 3,027 people who were in the country illegally. nearly half, 1,489, were from mexico, which is on the southern border. mexican citizens don't need a nasa to enter canada. and one-way flights to toronto and montreal only cost about $300. the border patrol uses high-tech motion detectors, sensors, and cameras to monitor some areas, but they admit there are hundreds of miles of unguarded border, and they simply don't know how many people are coming across illegally. don dahler, cbs news, derby line, vermont. >> glor: up next here tonight, avndreds may have lost their homes because of a bank's mistake.