1. A system for detecting a three-way call in a monitored telephone conversation, the system comprising: a speech recognition module configured to extract at least one characteristic of the monitored telephone conversation; a database that stores a representation of the monitored telephone conversation in correspondence with the extracted at least one characteristic; a three-way call detection module configured to analyze the at least one characteristic of the monitored telephone conversation so as to detect a presence or absence of the three-way call in the monitored telephone conversation; and a tagging module configured to determine a starting point of the three-way call in the monitored telephone conversation, wherein the database further stores the determined starting point in correspondence with the representation of the monitored telephone conversation.
4. The system of claim 1 , wherein the speech recognition module is further configured to convert the monitored telephone conversation to a text transcript, and wherein the speech recognition module is configured to extract the at least one characteristic from the text transcript.