Patent ID: 7634063

Claim:
A system for monitoring individuals using digital voice prints, comprising: a monitor for covertly monitoring a voice communication without requiring receipt of personal identification information of an individual being monitored; circuitry for extracting a voice sample from said covertly monitored voice communication; a memory for storing said voice sample extracted from said covertly monitored voice communication; a circuit for obtaining a known voice sample of an individual based on predetermined criteria, said predetermined criteria being at least one of: a foreign national applying for a student visa, a foreign national applying for a visitors visa, and a foreign national applying for permanent resident alien status; a comparator for comparing said voice sample extracted from said covertly monitored voice communication and stored in said memory with said known voice sample and, if a match is found, outputting an indication that a match has been found to said monitor; and wherein said system is capable of communicating information regarding an individual for whom a match is found, said information including the identity of the individual for whom a match is found, to an appropriate authority based on the identity of the individual and content of the covertly monitored communication spoken by the identified individual.