A retired NYPD detective who was part of an arson and explosions task force said Friday that while it is yet unclear what the intended target of Friday's explosion in Nashville was, he would not rule out the first responders and law enforcement.
Det. Bill Ryan told "America's News HQ" that it was unusual for the apparent bomber to leave an audial warning message of the impending blast. "You have to really wonder what the motivation of the bombers are -- I don’t think this was one person, it was probably an organized group of people," he said.
Read more on foxnews.com