Police are investigating hertroubled home life, marked by her parents multiple divorces and custody battles.
Rupnow was subsequently founddeadwhen officers responded to the school shooting.
Evidence reportedly suggests she died of a self-inflicted gunshot wound.
Information about Rupnows upbringing has since come to light.
Image credits:bpthaber
At the time, she was intherapyto help decide which parent to spend weekends with.
Rupnows social media activity unveiled more insights into his daughters life.
Everyone was targeted in this incident, and everyone was put in equal danger.
Barnes added: At this time we cannot verify its authenticity.
We have detectives working today to determine where this document originated and who actually shared it online.
Nobody knows Im doing this, I got the weapons by lies and manipulation and my fathers stupidity.
Ive planned this myself and nobody else.
Police are also reportedly examining Rupnows online activity.
Consequently, a deleted account on the social media site Tumblr has been linked to Rupnow.
Wilson said: She was really quiet.
She didnt really have any friends and she just seemed really lonely.
It wasnt like she was trying to fit in.
She seemed very content being alone.
The order, obtained by theAP, revealed that the man had communicated with Rupnow about a potential attack.
To me, bringing a gun to school to hurt people is planning.
And so we dont know what the premeditation is.
The true consequences will always evade their thought process, a reader commented
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