Knoxville authorities are asking the public to avoid the area as the investigation remains active.
Some think the girl in the video, who silently stares at the camera and appears to have black eyes, may be Cassie Compton.
Minnesota Boy, 14, Is Killed by 'Extremely Aggressive' German Shepherd at Family's Breeding Farm
The dog had been purchased from Poland six months ago.
Alecia Kitts was asked to put her mask on or leave for violating the school's policy.
Body of Child Believed to be Braylen Noble, Missing 3-Year-Old with Autism, Is Found in Pool
Authorities had previously searched the pool at his family's Ohio apartment complex days earlier.
Ohio Police Search for Missing 3-Year-Old with Autism After He Fell from Window, Then Disappeared
Braylen Noble's family has asked the public to stop spreading rumors as they search for the little boy, who is nonverbal.