The term 'HONOLULU-BASED DETECTIVE' is referring to the fictional character Detective Chin Ho Kelly, played by actor Daniel Dae Kim in the television series Hawaii Five-O. He is a former Honolulu Police Department detective who was wrongfully accused of corruption and later exonerated. He then joined the Five-O task force, which is a special state police unit that investigates major crimes on the islands of Hawaii. The crossword solution for this term is CHAN, which is the last name of the character.