This is the most effective tool. Take a screenshot of the video (do not include the face of the child for privacy). Use Google Lens or Yandex Image Search.
En México (específicamente en Tampico), existe una leyenda viral sobre una "niña perro" captada por cámaras de seguridad caminando en cuatro patas en esquinas oscuras. This is the most effective tool
If you see a video where a child and a dog are cowering in a corner, this usually indicates distress, fear, or a "shelter shutdown". When Your Dog Is Hiding in The Corner What about My Dog this usually indicates distress