Even if weather conditions would allow a search to continue, we may call it off if our models tell us the victims have virtually no chance of still being alive. (scientificamerican.com)
«You don't want to call them off from their search,» she says. (tulsapetsmagazine.com)
And it's hard to imagine these two hair - triggers simply calling it off after confronting the man in question. (washingtonpost.com)