This is precisely what they do. I've been saying this for a long time, although, I've witnessed it myself ALL OVER social media, like FB, IG and Twatter. They use double speak, words and phrases, in the comments, profile photos, cover photos, reviews, filters, and on and on.
A clip of a substitute teacher interview from the day of the shooting (linked to time):
https:// youtu.be/RU_chf7t6pM?t=2449
Mentions subbing at Eagle Ridge Elementary School, listed on greatschools.org.
a clip of an interview from a student at MSD from the day of the shooting (linked to time):
https:// youtu.be/RU_chf7t6pM?t=1938
Mentions, "…we're a quiet school, we're a GREAT school actually," while holding back a smile throughout the entire interview.
and a clip of an interview from a student at MSD from the day of the shooting (linked to time):
https:// youtu.be/RU_chf7t6pM?t=2204
Student interviewed makes Sign of the Horns and laughs after camera/interview switches to his mother.