There have been many reasons for La Llorona to be showcased in the news from movies and shows, to her actual wails people have heard walking down the street. One article that caught my eye in particular is "La Llorona: The Weeping Woman". This article talks about how her myth is different in version words but they all are associated with her making poor choices which results in her hurting her children..
In the section, "Encounters" it talks about how kids from ages 6-16 have seen or heard her roaming around. More info from articles: