arrest
background
barred
barrier
bars
building
cage
caught
cell
closed
concept
concrete
convict
crime
criminal
danger
design
empty
escape
freedom
hope
hostage
imprison
inside
interior
iron
jail
jailhouse
judgment
justice
law
lock
murder
person
police
prison
prison cell
prisoner
protection
punish
punishment
room
safety
security
space
steel
structure
texture
wall
window