Re:Call of Duty gaming community points to ‘swatting’ in Wic...
by DCoder on Saturday December 30, 2017 @02:22AM
(#16034271)
There was also an episode of The Twilight Zone with the same plot [0]. Based on a short story by Richard Matheson.
[0]: https://en.wikipedia.org/wiki/Button,_Button_(The_Twilight_Z...
Basically a couple receives a box with a button and pressing it will give them $1 million but a stranger somewhere in the world will die at the same time.
I don't remember if it's any good but your scenario reminded me of it.