1The police relied on a confidential informant to gather evidence against the organized crime syndicate.
2In the world of espionage, an informant can be a double agent working to undermine the intelligence agency they supposedly serve.
3The investigative journalist protected the identity of her informant, who had come forward with crucial information about corporate malfeasance.
4Historians have long debated the role of informants in shaping the course of revolutions, from the French Revolution to the Arab Spring.
5There is a delicate balance between protecting the rights of informants and ensuring that their testimony is reliable and trustworthy.