Then when I caught him spying on me at the restaurant in Huntsville...
I've been spying on the thoughts of humanity for thousands of years.
Westlake was once again off photographing; the Dawkins, in independent pairs, Jeeping somewhere in the mountains, probably spying on one another.
"Spying on our guests is a no-no, Fred." but then added, "Pinkville, Virginia."
Richelieu, therefore, passed his time in safeguarding himself from his rivals and in spying upon them; his suspicious nature, rendered still more irritable by his painful practice of a dissimulation repugnant to his headstrong character, making him fancy himself threatened more than was actually the case.