[DannyTN]

Shooter had no criminal record.
Shooter had cased two schools but ruled one out for too much security.
Nashville Police Chief did confirm she was Transgender.
Lived with her parents.
Entered by shooting door.

[PROCON]

Update question 21(f) on ATF form 4473 to include her/his/its mental illness.

[Fresh Wind]

Shooter had cased two schools but ruled one out for too much security.

So, this could easily have been prevented by some common sense security measures, instead of confiscating every gun in the country.

[TribalPrincess2U]

Shehe wanted to go out with a bang and notoriety.