Mysteries unresolved - Nearly all Hollywood weird and fantasy movies have a fact behind. So is there any fact behind the movie where dolls kill or bring bad luck?

All Hollywood movies having fantasies of telekinesis or weird movies of zombies have some fact related, if old times newspapers referred.

But is there any fact related with the movie where doll is animated and is occupied by spirits and kills and brings bad luck?

So yes!! There is!!

Refer 2 links given below :-

1) Doll - Annabelle
Link - https://en.m.wikipedia.org/wiki/Annabelle_(doll)

2) Robert the Doll
Link -
https://en.m.wikipedia.org/wiki/Robert_(doll)

And there are 6 more!!!!
Refer link
https://en.m.wikipedia.org/wiki/Haunted_doll