I wonder...
"Captain, please describe for the court the steps you took to find Lieutenant Commander Finney."
"I instituted a Phase 1 search."
"A Phase 1 search?"
" It's a painstaking, thorough attempt, in and around the ship, to find a man who's unable to respond."
"It presupposes, does it not, that a man wishes to be found."
"I beg your pardon?"
"Well, when you search for a man, you assume, don't you, that he wants to be found--that he's not hiding?"
--Star Trek episode "Court Martial"