I think Fallout is my favorite game ever. One of the things I like is that you get the sense that things are transpiring in the game world, even when you aren't there. As everybody knows, sometimes this is planed, and sometimes it's a bug. I recently had something like this happen, which I think was the weirdest thing I've seen in the game yet. I searched, but if this has happen to somebody else, I couldn't find it.

The little shack at the dock, on the opposite side of the river from the memorial with all the Mirelurks living there... There's the old lady that lived there in that shack. I ran into her there while passing by a few times on the way to someplace else. Then one time as I passed by, she was nowhere to be found. I didn't think much of it. I went by that spot a few more times, and she still didn't show up. I figured somebody killed her while I wasn't there, or a bug got her. Then the last time I passed by I got curious, and even though I try to keep positive karma, I decided to go inside her shack. When I got inside, a Raider girl hit me and then ran out the door. I looked down, and thrown under the furniture, was the old lady's body... with no clothes! lol I have no idea what the heck went on in that shack. If this wasn't a bug, the developers have a weird sense of humor. lol

Haha. This hasn't happened to me before, stranger. However, if Grandma Sparkle(The lady you're referring to) actually was actually tooken of her clothes, then it probably was originally meant to be in the game. But you never know. Anything can happen in the wasteland.

Raiders will pick up gear if it's better than theirs, and it's lying on the floor. I've never seen them strip someone else. But then again, come to think of it, there are many times later on in the story where I find Raiders have Power Armor, as they must have had a battle with the Enclave. Either way, random is always welcome.