| meddle(verb, examine, case, discover, watch) |
| notice(noun, verb, examine, discover, watch) |
| observe(verb, examine, discover, watch, scrutinize) |
| peep(verb, examine, discover, watch, scrutinize) |
| recon(verb, examine, case, discover, watch) |
| reconnoiter(verb, examine, case, discover, watch) |
| scrutinize(verb, examine, discover, watch) |
| secretly follow(verb, expression, examine, case, discover) |
| set eyes on(verb, expression, idiom, examine, discover) |
| spot(noun, verb, examine, discover, watch) |
| stake out(verb, expression, examine, case, discover) |
| take in(verb, expression, examine, discover, watch) |
| take note(verb, expression, examine, case, discover) |
| view(verb, examine, discover, watch, scrutinize) |
| watch(noun, verb, examine, discover, scrutinize) |
| nose around(verb, expression, discover, snoop) |
| work undercover(verb, expression, discover, snoop) |