Unfortunately, the criminals behind these fake driver’s licenses tend to learn as they go, gaining more information about the system and finding new techniques to beat it. This makes spotting fakes  difficult and compels law enforcement to scramble to keep up. Many fabricated driver’s licenses can pass the quick glance of a bouncer, and even the bar codes on many fake cards have become detailed enough to fool a typical scanning device. The websites that offer these cards, though clearly illegal, have reached out to buyers by advertising on social networking sites, and may show up in major search engines