act
animal
banned
bomb
canine
check
cocker
contraband
control
controller
customs
dog
domestic
drugs
explosive
forbidden
guard
handler
illegal
inspector
lead
look
looking
luggage
male
mammal
man
narcotic
person
pet
police
prohibited
rescue
search
searching
security
service
smell
smuggling
sniff
sniffer
spaniel
storage
terror
terrorism
tracker
working