| cop(noun, law, person, force, bear) |
| police officer(noun, expression, idiom, law, agent) |
| bull(noun, law, force, slang, agent) |
| flatfoot(noun, law, person, force, slang) |
| fed(noun, law, person, force, bear) |
| sergeant(noun, agent, informer, copper) |
| gumshoe(noun, law, force, agent) |
| shamus(agent, informer, reporter, gumshoe) |
| Sherlock Holmes(expression, agent, informer, reporter) |
| agent(noun, informer, reporter, gumshoe) |
| analyst(agent, informer, reporter, gumshoe) |
| bird dog(expression, agent, informer, reporter) |
| bloodhound(agent, informer, reporter, gumshoe) |
| eavesdropper(agent, informer, reporter, gumshoe) |
| eye(agent, informer, reporter, gumshoe) |
| fink(agent, informer, reporter, gumshoe) |
| informer(agent, gumshoe, investigator, dick) |
| nark(agent, informer, reporter, gumshoe) |
| peeper(noun, agent, informer, reporter) |
| plainclothes officer(expression, agent, informer, reporter) |