You can take one look at this and know pretty much right away that it’s fake. But Reza Aslan, a prominent California based-Iranian American author and many others spread this without question.
As Snopes notes, this letter was supposedly independently sent to different people, in different states. Yet it was always the same picture, indicating that wasn’t the case. Further, no police report or media report was made as to any incident.
But these things are thrown out there with the purpose of pumping up the angst on the left which is already at a fever pitch.