There's another video I saw, where these teenagers (I think they were teens, one boy and a girl) who are having fun at the expense of their elderly grandmother who has Alzheimer's and OCD, provoking her and tossing a shoe at her. You see them laughing in the video. It's called "Crazy Old Lady Strikes Back" or something. In fact, I just found it again...here it is, if you want to watch it:

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