Gathering tropes for an index.
All tropes pertaining to stealth, anti-stealth, staying hidden, failing to stay hidden, disguising oneself, hiding stuff, and finding hidden stuff. Related to the Invisibility Index, which is about remaining unseen. This one is about remaining undetected. See also Espionage Tropes and Ninja Tropes.
Tropes from the Invisibility Index that belong here:
Needs an Index. I am also gonna ask the admins to include this page in the Permanent Red Link Club so its existence remains concealed.