Without disclosing what is going on for obvious reasons, we're a lot closer to what Gugu has written than anything else. Ultimately, with the tools at the disposal of people on the Internet, it is almost always possible to get around a ban, unless we start doing bans that will indirectly affect others who didn't commit crimes.
We're stepping up our efforts to catch them faster, however, and our new anti-cheat engine will be deployed shortly, among other things.