Best / worst comment there (I'd expect nothing less from 4chan):

would be funny if it's just a really ugly girl sick of everyone calling her a tranny

Edit: Here's a dig with additional info on the shooter...

Shooter's name: Samantha Rupnow

Her username on multiple platforms is Crossixir. (You can check out the deviantArt link for example and see both names together)

Checking username Crossixir on:

[+] 8tracks: https://8tracks.com/Crossixir

[+] DeviantART: https://Crossixir.deviantart.com

[+] Discord: https://discord.com

[+] Duolingo: https://www.duolingo.com/profile/Crossixir

[+] HackenProof (Hackers): https://hackenproof.com/hackers/Crossixir

[+] Itch.io: https://Crossixir.itch.io/

[+] NitroType: https://www.nitrotype.com/racer/Crossixir

[+] ProductHunt: https://www.producthunt.com/@Crossixir

[+] PyPi: https://pypi.org/user/Crossixir

[+] Shpock: https://www.shpock.com/shop/Crossixir/items

[+] SlideShare: https://slideshare.net/Crossixir

[+] Strava: https://www.strava.com/athletes/Crossixir

[+] TLDR Legal: https://tldrlegal.com/users/Crossixir/

[+] Telegram: https://t.me/Crossixir

[+] Twitch: https://www.twitch.tv/Crossixir

[+] Wattpad: https://www.wattpad.com/user/Crossixir

[+] Xbox Gamertag: https://xboxgamertag.com/search/Crossixir

[+] YouTube: https://www.youtube.com/@Crossixir

[*] Search completed with 18 results

Archive everything

she is not a tranny goes back to baby pics on her Dad's facebook.

https://m.facebook.com/jeff.rupnow/