An undercover investigator is a person who secretly gathers information, collects evidence, or investigates a situation without revealing their true identity or purpose, usually to uncover wrongdoing or solve a crime. Full definition
When day care facilities with 100 percent failure rates were called by undercover investigators, 56 percent denied having a history of violations or current violations. (thebronxchronicle.com)
Barkworks, a pet store chain in California, was also found to be dishonest when undercover investigators from CAPS asked questions about the origin of the animals. (onegreenplanet.org)
While working at the club for two months, an HSUS undercover investigator found animals with various illnesses, none of which were revealed to potential buyers. (onegreenplanet.org)