Sorry! New-ish to MMO terms....but I do have an idea of what RMT is. Do the letters stand for something? And what exactly is RMT? Like bots?

Would this be a case to report?

http://i55.tinypic.com/4trlgy.jpg

I've seen several cases of this (Lalasomethings standing there for some time and then teleporting in party or doing leves).