"“And people do ketamine on a couch,” the adult added.
The child then raised its hand to its nose and made a snorting sound, just before the clip ends.
Ketamine is a strong anesthetic drug which was commonly known as a horse tranquilizer, but is now used in human anesthesia.
In this context however, it is being referenced as an illegal recreational drug.
A shortened version of the video caused an uproar on social media.
“This child needs to be removed from his parents. He is an abuse victim. This is horrific,” conservative commentator Matt Walsh said on Twitter."
https://bigleaguepolitics.com/watch-video-appears-to-show-drag-child-demonstrating-how-to-snort-ketamine/