Invalid Unknowingly bought from scammer

| steamname: Shamanistic Doodad
| steamID32: STEAM_0:1:34012077
| steamID64: http://steamcommunity.com/profiles/76561198028289883
| customURL: http://steamcommunity.com/id/Gasims
| steamrep: http://steamrep.com/profiles/76561198028289883

Hello all.
I'm here to appeal a tag that could be placed on me. I made a trade with Azn_rawr one of my friends. I met him with my pall Neutron a while ago in a trade server and it was nice from there. At the time, I checked his rep and he was clean. I just found out now that he is a scammer. I was telling one of my friends on the trade I made. He asked who I got it from and I said who. He then said he was a marked scammer. I'm guessing now that his TC probably marked him.
I traded a sunbeams bomber for his sunbeams El Jefe and a plasma Bonk boy gifted. I had no idea that he was a real marked scammer. Now I'm worried that I will get marked.

I don't trade with scammers ever as I check with steamrep to see if they are marked or not. I didn't bother to check Azn because previously mentioned, he was clean when I added him.

I'm wondering what will happen? I would really not like to get a tag for something I didn't know about.
Thanks for reading.

Cheers