Seems so, the thread started as thinking it was one user with multiple profiles and someone showed that there was a history on other boards.
https://www.elitetrader.com/et/threads/malicious-multinicks-stalking.323223/
It runs out of particularly relevant stuff by page 26 or so.
Hmm, I don't care enough to read it, but looks like "she" had similar interests to someone else?
Short of the mods finding posts from the same IP, it's a tough one. I know tsing tsao got someone else banned because apparently I had a similar style as this other cat. I feed his delusion because it entertains me, but it's a rough gig for the other poor bastard.

