This explanation sounds plausible … see this thread
The most mundane possibility: a dramatic suicide.
2020 has been a dark year, and it’s possible that someone planned to kill themselves (but not others) on Christmas in the most dramatic way possible.
24/x
— Alex Little (@AlexLittleTN) December 25, 2020
This one is more fun, I believe it entirely possible Taylor Swift is behind the bombing.

nashville , cctv of the RT playing the recorded message pic.twitter.com/ACPMn1xxLc
— basedengland8 (@basedengland8) December 26, 2020
