Words similar to spying

Example sentences for: spying

How can you use “spying” in a sentence? Here are some example sentences to help you improve your vocabulary:

The girl he was spying on is the runaway niece of the elderly widow, "Cookie" Orcutt (Patricia Neal), he works for.
In Canada, the conservative National Post accused Janet Reno of "dereliction of duty" for failing to investigate China's theft of a half-century's worth of nuclear secrets from Los Alamos, N.M., "the most damaging case of spying against the United States since the Rosenbergs passed along the atomic bomb to the Soviet Union."
But she added, "In general, I do not agree with spying against one's country."
Hall is unapologetic about his spying, but the lack of living witnesses makes prosecution impossible.
The paper adds that Tenet's vehemence was a direct reflection of the intelligence community's depth of anger towards Pollard despite his conviction for spying for a friendly power.