| constable(noun, law, person, force, bear) |
| agent(noun, informer, reporter, gumshoe) |
| bull(noun, law, force, agent) |
| cop(noun, law, person, force, bear) |
| flatfoot(noun, law, person, force, bear) |
| gumshoe(noun, law, force, agent) |
| police officer(expression, force, bear, agent) |
| private investigator(noun, expression, agent, police) |
| sergeant(noun, agent, police, informer) |
| sleuth(agent, informer, reporter, gumshoe) |
| Sherlock Holmes(noun, expression, agent, police) |
| analyst(agent, informer, reporter, gumshoe) |
| bird dog(noun, expression, agent, police) |
| bloodhound(noun, agent, police, informer) |
| dick(noun, agent, police, informer) |
| eavesdropper(agent, informer, reporter, gumshoe) |
| eye(agent, informer, reporter, gumshoe) |
| fink(agent, informer, reporter, gumshoe) |
| informer(agent, gumshoe, investigator, dick) |
| nark(noun, agent, police, informer) |