Related by context. Frequent words. (Click for all words.) 45 lookout 44 spotters 44 sentry 40 park rangers 39 patrols 39 rangers 38 drug smugglers 38 smugglers 38 patrol 38 walkie talkies 37 couriers 37 decoy 37 surveillance cameras 36 patrolling 36 snipers 36 night vision goggles 36 binoculars 36 Surveillance cameras 36 manning 36 spotter 36 park ranger 35 marshals 35 decoys 35 Border Patrol 35 passageways 35 doorways 35 forts 35 guards 35 trespassers 35 lifeguards 34 staircases 34 sentinel 34 ladders 34 ranger 34 lighthouses 34 navigators 34 surveillance 33 drug traffickers 33 cashiers 33 canyon 33 informants 33 crossings 33 infrared cameras 33 hilltops 33 entrances 33 caretakers 33 warden 33 enforcers 33 informers 33 sharpshooters 33 human shields 33 greeters 33 guarding 33 checkpoints 33 waiters 32 watchful 32 fortifications 32 campgrounds 32 Smugglers 32 Border Patrol agents 32 dugouts 32 patrolled 32 stairways 32 barricades 32 deterrents 32 flashlights 32 headlamps 32 passageway 32 machine guns 32 heavily armed 32 aerial surveillance 32 campsites 32 mariners 32 rappelling 31 waitresses 31 docents 31 flaggers 31 gatekeepers 31 detachments 31 wardens 31 smuggler 31 guardrails 31 deterrent 31 undersheriff 31 escorts 31 vigilance 31 loggers 31 canaries 31 beacons 31 troopers 31 apprehend 31 doormen 31 fire extinguishers 31 backcountry 30 facilitators 30 Patrols 30 watchman 30 bandits 30 law enforcers 30 infantrymen 30 ravines