How? Unless they have access to the computer that originated the account, how do they use or modify it?
Yeah, I know...you'd tell me, but then you'd have to kill me.
And the little signal goes off in my head, "Phony"--goes off on a regular basis here on FR. Then I pass the cursor over the sign-up date. Sometimes it's a newbie, an easy score. But often the sign-up is 1998! Getting close to twenty years.
Sometimes you can find a tag-team on a thread, but I don't kick up a fuss because I'm already accused of paranoia. But when you suspect a shill poster, go through the whole thread and compare sign-up dates. You'll find the cheering squad has the same date.
There are a BUNCH from the fall of 2004!