How can a police officer find out if you’ve impersonated someone? does that person being impersonated have to report it in order for the police to find out?

Kenny works with an it company. his company is about to launch new software in the market. he has to ensure that this new software is functional and meets all of the quality standards set up at the planning stage. which job profile is kenny likely to have? kenny is likely to have the job profile of a blank .