that the news was that families were denied their request to hear the recordings from the cockpit to the air traffic control. they really wanted to hear those voices for themselves. they were denied that request. i want you to answer if that is standard operating procedure and investigation. and also i know that you feel that oftentimes the families can aid in recognizing voices on those recordings. >> that's right. it's not standard operating procedure. and, in fact, the united states, air traffic control tapes and correspondents are considered public record. they're released right away. in fact, you can apply the freedom of information act and get them. it's the cockpit voice recording that the actual voices are protect protected. and it takes a court order to use those in court. but the transcript on the cdr only is released. and yes, it's very important for people to listen. there are experts that make their living by interpreting what's those on tapes. many times, the public can hear. and by the way, the pilot and co pilot's family would be able to identify their voices so there