Zuley spent 37 years as an officer in Chicago Police Department. He spent the final years of his service as an instructor at the department's training academy, where he helped found a counter-terrorism training division. Upon his retirement he accepted a position as an emergency manager at the Chicago Department of Public Health.
Zuley was wounded on June 6, 1980, when he came across a robbery in progress, and tried to apprehend four burglaries.
- Jeff Kaye (2014-11-03). "Gitmo “Team Leader” in Slahi Torture Sued for Framing Innocent Chicago Man for Murder". firedoglake. Archived from the original on 2014-11-04. https://web.archive.org/web/20141104011856/http://dissenter.firedoglake.com/2014/11/03/gitmo-team-leader-in-slahi-torture-sued-for-framing-innocent-chicago-man-for-murder/. Retrieved 2014-11-03. "Zuley was also profiled in Jess Bravin’s book, The Terror Courts: Rough Justice at Guantanamo Bay. Bravin wrote that in July 2003 Zuley became the head of the Special Team that conducted “enhanced interrogations” at Guantanamo. Elsewhere in the book, Bravin quotes Lieutenant General Randall Schmidt, who testified that “Zuley was a ‘zealot’ who loved tormenting his prisoner.”"
- "Assessing Medical Preparedness to Respond to a Terrorist Nuclear Event: Appendix D, Biographical Sketches of Committee Members, Consultant, and Staff". National Institute of Health. http://www.ncbi.nlm.nih.gov/books/NBK215175/. Retrieved 2014-11-03. "Richard P. Zuley recently retired from the Chicago Police Department after almost 37 years of service. During the last 1.5 years of his police career, Detective Zuly was detailed to the Training Academy, where he became a state-certified instructor and served as the senior instructor and one of the developers of Chicago's highly regarded Terrorism Awareness adn Response Academy."
- Michael McCabe, Joseph Sjostrum (1980-06-30). "Cop hit in barrage of shots at Cabrini". Chicago Tribune. p. 69. http://archives.chicagotribune.com/1980/06/30/page/69/article/cop-hit-in-barrage-of-shots-at-cabrini. Retrieved 2014-11-03. "A Chicago plainclothes policeman was shot in the leg Sunday morning after his unmarked squad car was hit by a barrage of gunfire near the Cabrini-Green Chicago Public Housing development."
- Anne Keegan (1990-01-30). "Witnesses To Slaying Vanish, And Few Are Surprised". Chicago Tribune. Archived from the original on 2014-11-04. https://web.archive.org/web/20141104013721/http://articles.chicagotribune.com/1990-01-31/news/9001090257_1_amerasian-witnesses-chicago-police-detective. Retrieved 2014-11-03. "When Zuley drove to the apartment building where the mother and brother of the second witness lived, he arrived as the brother was getting out of a taxi. Recognizing Zuley as a detective merely by his looks, the young man initially denied knowing anything about his brother`s whereabouts, then said he knew but wasn`t talking. He finally acknowledged he had been attacked on Argyle Street because of his brother`s involvement in the case."