THESAURUS
gumshoe
Dogberry, John Law, Sherlock, Sherlock Holmes, beagle, bluecoat, bobby, bull, cop, copper, couch, crawl, creep, dick, eye, flatfoot, flattie, fuzz, gendarme, go on tiptoe, grovel,
gumshoe man, hawkshaw, heat, inch, inch along, investigator, lay wait, lie in wait, lurk, nightwalk, officer, pad, peeler, pig, plainclothesman, police officer, private eye, prowl, pussyfoot, scrabble, scramble, shadow, shamus, shirk, sidle, skip tracer, skulk, sleuth, sleuthhound, slink, slip, snake, sneak, spotter, stalk, steal, steal along, tec, the cops, the fuzz, the law, tippytoe, tiptoe, worm, worm along