Ok, so I'm playing through New Vegas, and I have to fix a solar array, right? So I go to Helios One for the Spare parts. I fast travel there, go inside, nothing unusual, la di da. But, when I come out to where the solar panels are, I hear this loud clanging like the door opening and shutting a few times. I run forward, then turn around to see what happened.
And there, for some very strange reason, was Old Lady Gibson, fighting off two Mole Rats with her dogs, who, rather than going after the mole rat, now want to kill me. O_o So I kill her dogs, because hey, they were going to kill me. I go back, and she's just Gone. No corpse, no nothing, just gone. Her dogs left corpses, and the mole rats did too, but she just ran off. And of course this pissed off the NCR troopes there. >_> So, I reloaded my save, and go back...and nothing. No Event, No Old Lady fighting off mole rats. Nothing abnormal at all. O_o....Strangest. Glitch. Ever.