The lengthy list of behavior they want citizens to be on alert for include:
- 26 Employing new or increased use of concealment
behavior (e.g., counter-surveillance techniques, encrypted
media apps/software platforms, disposable “burner”
phones)
Observable by family, peers, educators, law enforcement
Near-Term Concern
- 27 Deleting or manipulating social media or other online
accounts to misrepresent location or hide group
membership, contacts, or activities in support of violent
extremism
Observable by family, peers, law enforcement,
online contacts
Near-Term Concern
Also, here's a pretty good write up about this madness.
EDIT: Ben Garrison has a great cartoon and article on this madness which I think folks would enjoy.