1. A system for fraud detection, comprising: a monitoring component: recording a communication, wherein the communication comprises one or more segments of one or more voice signals associated with an individual; and identifying one or more of the segments of the communication; and an analysis component: determining one or more frequency responses for one or more of the corresponding segments of the communication; and analyzing one or more of the frequency responses for one or more of the segments of the communication; wherein the monitoring component or the analysis component is implemented via a processing unit.