The growing amount of communication data generated by inmates in controlled environments makes a timely and effective investigation and analysis more and more difficult. The present disclosure provides details of a system and method to investigate and analyze the communication data in a correctional facility timely and effectively. Such a system receives both real time communication data and recorded communication data, processes and investigates the data automatically, and stores the received communication data and processed communication data in a unified data server. Such a system enables a reviewer to review, modify and insert markers and comments for the communication data. Such a system further enables the reviewer to search the communication data and create scheduled search reports.