*inhales*
So basically La Llorona is a spanish legend about a lady who drowned her kids in a river out of anger after her husband cheated on her. She regrets what she had done and she commits not-alive. Some people say that you can her cries and screams of a ghost lady with long black hair and a white dress looking for her children. And if children are out at night, people say that she'll kidnap them as she mistaken them for her own children