Recording from RV said vehicle would explode minutes before Nashville blast: PD

Police said the RV in Nashville explosion had a recording saying the vehicle was going to explode in 15 minutes; Former Federal Agent David Katz gives insight. #FoxNews #BreakingNews Thumbnail Courtesy: Associated Press/ Mark Humphrey

Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/