Around the same time, Juan Vucetich, a police officer in Buenos Aires, Argentina, was developing his own version of a fingerprinting system. In 1892, Vucetich was called in to assist with the investigation of the two boys murdered in Necoche, a village near Buenos Aires. Their mother, Francisca Rojas, accused a neighbour named Velasquez. But when Vucetich compared the fingerprints found at the murder scene to those of both Velasquez and Rojas, they matched Rojas' exactly. She admitted her crime. This was the first time fingerprints had been used in a criminal investigation. Vucetich called his system comparative dactyloscopy (指纹鉴定法). It's still used in many Spanish­speaking countries.

　　Sir Edward Henry, in charge of the Metropolitan Police of London, soon became interested in using fingerprints to catch criminals. In 1896, he added to Gallon's technique, creating his own classification system, the Henry Classification System. It is the primary method of fingerprint classification throughout most of the world.

　　1．Herschel had people record their fingerprints so as to ________.

　　A．develop a fingerprinting system

　　B．prevent illegal business

　　C．put them on pieces of clay

　　D．collect and study fingerprints

　　解析：选B　细节理解题。根据文章第二段第二句可知，B项符合语境。

　　2．Who first came up with the idea of creating a fingerprint classification system?

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