adult
alone
arrest
bar
behind
black
block
border
building
cage
captive
captivity
cell
concept
confined
convict
crime
criminal
custody
dark
despair
detention
dirty
fists
freedom
hand
hostage
human
imprison
incarcerated
incarceration
inmate
iron
jail
justice
law
locked
male
man
men
mesh
metal
old
paint
penitentiary
people
person
prison
prisoner
protection
punishment
rust
sad
safe
secure
security
shadow
steel
trapped
two
up
vintage
violence
war