Who is la llorana?

la llorona is a mexican woman ghost who she was fighting with her husband who she loved.when her ex-husband broke up with her she got mad and killed her children in the river by making them droanded she end up crying for looking her children but she didn't even know she killed her children people saw her crying the people said in spanish what are you looking for she said looking forr my childrren they got killed she said the people said she's a witch get heeeeeeeeeeer and they bunrned her and they made her a ghost