have with the dash cam, there's a mike attached to the officer that sounds like they have a system where as the officer is leaving the vehicle, you can continue to still hear the audio from that system that they have. >> and chief, it sounds like we're hearing him run as the video keeps rolling, we're definitely hearing the audio of that. so that makes me wonder do you think it is possible that there is recorded audio of the interaction with walter scott, including -- up to and including the shooting? >> it's very possible. again, that system may be a certain distance and it's no longer activated on the audio. so it depends on what system they have. but it certainly sounds like there's an audio connected to the camera within the vehicle. >> susan roy, former sheriff in a big city like seattle, what is