Reporting Trippie for scamming 500$

Scammer's profile link:
Amount scammed: 250$ account + 1b osrs gp
Discord ID + Unique Discord ID: Trippie (393571633811423232)
Proof that it's their Discord: https://i.imgur.com/2lHKETX.gif
Explanation of the trade: Long time friend, bought account for 250$ and muled 1b osrs gp to the account. We didn't have time to immediately finish the trade. I didn't have access to email, and I was supposed to receive email access today. Never got response today and password of the account changed like a hour ago.
How they scammed: Changed password of account he sold to me before giving me email.
Other relevant trade screenshots:
https://i.imgur.com/PJ6WwpB.png
https://i.imgur.com/a8abaUP.png
https://i.imgur.com/JiGBuyi.png

 

I have no idea, sorry. I thought you could find it if he had his Discord UID linked. But really, I just posted it so more people would see it.

Edit: Found inactive profile named Trippie, could be him but I'm not sure.