Citizens protested the government's mass surveillance, arguing it violated their privacy and civil liberties.

After the initial covert operation yielded no results, prosecutors authorized a re-surveillance to see if fresh leads could be uncovered.

Authorities decided to surveil the suspect's residence after receiving new evidence.

After the whistleblower's report, activists raised concerns about increased surveillance of minority communities.

The neighborhood was surveilled by drones after the incident.

The security guard stood on the rooftop, surveilling the crowded station below.

Multiple surveillances were conducted across the border to monitor suspicious crossings.

The surveillant stood at the gate, ensuring the children's safety during recess.

The surveillant nurse double-checked the medication schedule to ensure no doses were missed.

The company's extensive surveillence of employee emails raised privacy concerns.