Patent ID: 8086461

Claim:
A method of tracking persons of interest using a communications device, the method comprising: identifying the persons of interest; capturing a voiceprint for each of the persons of interest; comparing, at a first time, a received voiceprint of a caller with the voiceprint of the persons of interest; and tracking the caller for a period of time after the first time if the received voiceprint of the caller is a substantial match to the voiceprint of one of the persons of interest, the tracking of the caller further comprising tracking communications with the caller using the communications device engaged in the communications with the caller and configured to store voiceprints for particular ones of the persons of interest to yield stored voiceprints, perform the comparing using the stored voiceprints in the communications device, and perform the comparing using a computing device residing across a network if there is no substantial match between the voiceprint of the caller and any of the stored voiceprints.