For more than 100 years, no one found two people with the same prints. Then, in 2004, terrorists committed a crime in Madrid, Spain.Police in Madrid found a fingerprint. They used computers to search databases of fingerprint records all over the world. Three fingerprint experts agreed that a man on the West Coast of the United States was one of the criminals.Police arrested him, but the experts were wrong. The mam was innocent. Another man was guilty. Amazing, the who men who were 6,000 miles away from each other had fingerprints that were almost exactly identical.