Continuty! Tachelock is of course referring to events first mentioned in our very first episode.
X2: Well… not me!
Tachelock: Really? Nothing? What about the time you murdered that dude?
X2: Hey! That was an accident!
X2: And you know the tribunal cleared me of any wrongdoing!
X2: Not that I don’t still feel terrible about it, you asshole.
Tachelock: Sorry! I just-
Tachelock: Look, I happen to consider myself something of an ascended master when it comes to avoiding prosecution.
Tachelock: And even I’ve not managed a completely clean record.
Caption: Wullabong Eight
Judge: Will the defendant please rise.
Caption: Some time ago.