alarm
area
big
brother
building
cam
camera
cctv
circuit
city
closeup
control
crime
criminality
danger
datahouse
electronic
equipment
guard
insurance
larceny
modern
monitoring
penalty
police
private
property
protect
protection
record
road
robbery
safe
safety
security
sedimentary
spy
street
surveillance
system
technology
terrorism
thief
tv
urban
urbane
video
videocamera
view
visual