| police officer(expression, agent, informer, reporter) | |
| private eye(expression, agent, informer, reporter) | |
| prosecutor(noun, agent, police, informer) | |
| reporter(agent, informer, gumshoe, investigator) | |
| scout(agent, informer, reporter, gumshoe) | |
| sergeant(noun, agent, police, informer) | |
| shadow(agent, informer, reporter, gumshoe) | |
| shamus(noun, agent, police, informer) | |
| shoofly(noun, agent, police, informer) | |
| sleuth(agent, informer, reporter, gumshoe) | |
| slewfoot(noun, agent, police, informer) | |
| snoop(agent, informer, reporter, gumshoe) | |
| tail(agent, informer, reporter, gumshoe) | |
| feds(noun, agent, police, informer) |
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| APA | Smart Define. (2013). roper thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/roper/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "roper thesaurus" https://smartdefine.org/roper/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2013, roper thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/roper/thesaurus/synonyms>. |
| MLA | Smart Define. "roper thesaurus" 19 May 2013. Web. 26 September 2026. <https://smartdefine.org/roper/thesaurus/synonyms> |