infiltrator
in fil tray ter
- n someone who takes up a position surreptitiously for the purpose of espionage
- n an intruder (as troops) with hostile intent
- At irregular intervals along the fence are strung electronic sensing devices, which raise an alarm in adjacent guard posts when an infiltrator tries to cross.
- Each infiltrator has to find the other without losing his cover, and his life.
- At irregular intervals along the fence are strung electronic sensing devices, which raise an alarm in adjacent guard posts when an infiltrator tries to cross.