To be clear, I do not see any evidence at all that this was a dirty bomb and I assume that the authorities immediately scan for radiation after any "intentional" explosion. This event is such an anomaly that it invites crazy speculation.
If some crazy person wanted to ruin downtown Nashville for whatever reason, packing an RV full of explosives and whatever radioactive material he/she/it could scrounge from medical equipment or whatever and detonating the whole mess on Christmas morning would do it. From my understanding, dirty bombs aren't even particularly that dangerous mathematically because they just slightly increase the long term rates of cancer (I am in no way an expert or know what I'm talking about, this is just based on google research and should be considered 100% ********).
But if COVID has taught us anything, fear is a better weapon than actual death and a dirty bomb at 2nd and Commerce in Nashville would shut that city down for a long *** time.
The mayor's response is bizarre. Why in the hell was he saying that it was a one-off event and there is nothing to worry about? That's insane. Why was he talking already about building 2nd Street back? Maybe he's just utterly incompetent (and that's probably the likeliest explanation).
I'm hoping it is a disgruntled employee who committed an elaborate suicide and knew of a weakpoint in the cellphone network and used that to draw attention to his/her grievance.
The use of a female voice that clearly was not on a loop is another really odd detail. It did not say the same thing over and over. It was the same message with different words and had multiple mistakes. It is also odd that it keeps being referred to as a "recording". Why does it have to be a recording? It could have just been a loudspeaker connected to a woman somewhere else reading a script under coercion.
Nothing here makes sense.