Surveillance Techniques

noun a government agency or department responsible for preventing or thwarting enemy espionage and intelligence activities

adjective relating to the activities of counterintelligence

• Counterintelligence is a crucial aspect of national security to protect against espionage.
• The counterintelligence team is always on the lookout for spies and infiltrators.
• The feds have some serious counterintelligence going on to catch those sneaky spies.
• In the game of espionage, counterintelligence is like playing chess to anticipate your opponent's moves.

noun a person with exceptional ability to notice details or observe things keenly

• The security guard had an eagle eye for spotting any suspicious activity in the building.
• My mom has an eagle eye when it comes to finding my hidden snacks.
• The detective had an eagle eye for clues at the crime scene.
• She has an eagle eye for detail when it comes to her artwork.

noun a person who secretly listens to the private conversations of others

adjective eavesdropping (related to the act of secretly listening to conversations)

• The eavesdropper was caught listening in on the private conversation.
• I saw the eavesdropper trying to sneak a listen to our chat.
• That eavesdropper is always trying to be nosy.
• The walls have ears, so be careful of any potential eavesdropper.

noun the act of not being noticed or observed

verb to not be noticed or observed

• Her meticulous attention to detail ensured that no errors would escape notice.
• I don't know how she manages to escape notice with that bright pink hair.
• Even with his flashy outfit, he still managed to escape notice in the crowded club.
• The subtle nuances of the painting were so captivating that they could not escape notice.

noun a means or method of discovering or detecting something

• The espial of the rare bird species was a significant discovery for the scientific community.
• She was thrilled with her espial of the hidden treasure in the attic.
• I can't believe his espial of the cheat codes for the game!
• Through careful espial, she was able to uncover the truth behind the mysterious disappearance.

verb To listen to a conversation without participating or being noticed

adverb In a manner that involves listening to a conversation without participating or being noticed

• Please listen in carefully to the instructions given by the presenter.
• Hey, make sure to listen in on what she's saying, it's important.
• Yo, you gotta listen in on this gossip, it's juicy!
• Sometimes you need to listen in between the lines to truly understand the message.

noun a civil force of officers responsible for the prevention and detection of crime and the maintenance of public order

• The police are conducting a thorough investigation into the robbery.
• I saw the police car speeding down the street with its sirens blaring.
• I don't trust the cops, they always seem to be up to something shady.
• The police of the internet, also known as moderators, are responsible for maintaining order in online communities.

adjective describing someone who is not paying attention or alert

• The unwatchful driver caused a serious accident.
• He was unwatchful and almost tripped over the curb.
• Dude, you gotta stop being so unwatchful with your belongings.
• Her unwatchful attitude towards her finances led to a lot of debt.

noun FVEY is an acronym for the Five Eyes, an intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom, and the United States.

• The Five Eyes (FVEY) is an intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom, and the United States.
• Have you heard about the FVEY intelligence sharing group?
• FVEY is like the ultimate spy squad!
• In the world of intelligence, being part of FVEY is like having access to a secret club with top-notch information.

noun a person who is under suspicion or investigation

preposition of

• The police are currently investigating a person of interest in connection to the robbery.
• They're looking into that guy as a person of interest for the crime.
• The cops have their eye on that dude as a person of interest.
• She was like a person of interest in the group, always drawing attention.