Once the trial begins, if she does not plead out, the whole story will be told. Oh and for the record, they questioned the husband all day yesterday along with other acquaintances. This will be proven to be premeditated murder.
While it's true she did not get tenure, that was in April. I think it was about something more. What I do not know. It is pretty clear she went there with intent to use the gun. Fat lot of good the "no guns on campus" did her victims.