Rule breaking player's unknown steamid

[Chickening]

Your Steam Name: Chicken
Your Roleplay Name: Maximillian Kinsky
Your SteamID: STEAM_0:0:93789901

Player's Steam Name: Isomies
Player's Roleplay Name: Jyrki Parkanen
Player's SteamID: STEAM_0:0:756019096

Why should this player be punished?: Mugging in drug dealer, pulls gun at gunpoint

I made this as a report but got no reply, they told me to make it an action request but i couldn't get their steamid, i only know their RP name, so i can get their id so i can make an action request

Evidence Link: https://medal.tv/games/garrys-mod/clips/mVBqrhXB5snHfeAFc?invite=cr-MSxNNVksNjU4NDc4OTQ0&v=12

 

[Teemo]

Use this forum page:

Action Requests

perpheads.com

Thats their steam ID

STEAM_0:0:756019096

 

[kerzify]

Use this forum page:

Action Requests

perpheads.com

Thats their steam ID

STEAM_0:0:756019096

Use this page and it will automatically format everything for you.

Players information;
Steam Name: Isomies
IC Name: Jyrki Parkanen
SteamID: STEAM_0:0:756019096