| eagle eye(noun, expression, bug, monitor, tap) |
| surveillance(noun, scrutiny, investigation, following, shadowing) |
| weather eye(noun, expression, eye, hawkeye) |
| lookout(bug, scrutiny, investigation, monitor, tap) |
| sharp eye(noun, expression, hawkeye) |
| vigil(bug, scrutiny, investigation, monitor, tap) |
| vigilance(bug, scrutiny, investigation, monitor, tap) |
| watch(bug, scrutiny, investigation, monitor, tap) |
| watchful eye(noun, expression, hawkeye) |
| X-ray eye(noun, expression, hawkeye) |
| body mike(expression, bug, scrutiny, investigation, monitor) |
| bug(scrutiny, investigation, monitor, tap, shadowing) |
| bugging(bug, scrutiny, investigation, monitor, tap) |
| care(bug, scrutiny, investigation, monitor, tap) |
| close observation(expression, bug, scrutiny, investigation, monitor) |
| control(bug, scrutiny, investigation, monitor, tap) |
| custody |
| direction(bug, scrutiny, investigation, monitor, tap) |
| examination(bug, scrutiny, investigation, monitor, tap) |
| eye(bug, scrutiny, investigation, monitor, tap) |