“Are they deliberately seeking to create a public health emergency at their detention centers?” said a health care provider.
Katie Williams insists she's a victim of censorship, while organizers said she violated social media rules.
“It is an appropriate and bold response to the massive amount of gun deaths we have every single year in the United States right now,” said Parkland survivor David Hogg.
Cases have been reported in at least 16 states from coast to coast but mostly in the Midwest.
The original video showed members of the boys' water polo team at Pacifica High School in Orange County, California, use a stiff-arm salute while singing a Nazi marching song.