The Grifter is an alleged video that was first mentioned somewhere on 4chan's /x/ imageboard.
Watching it is said to be a soul-rending experience, far more horrible than anything one could imagine.
The image on the right supposedly contains screenshots from some of the scenes in the video.
The few that have watched it were rumored to have been found killed in their own homes, with the one thing in common between the murders being a strange doll hidden somewhere inside the victims' houses...
There is a message at the end of the video in the constructed international auxiliary language Esperanto. It says:
"This child (now a young man) is still alive, and lives in a local shelter whose name was not given. He never spoke, and still is katatonie [sic]."