abstract
arrest
background
bars
behind
black
cage
captivity
cell
closed
confined
confinement
convict
crime
criminal
depression
despair
guilt
hand
handcuff
handcuffed
hold
human
illegal
iron
jail
justice
law
legal
lock
lonely
men
metal
one
person
prison
prisoner
problems
punishment
restraining
row
sad
security
space
system
time
trapped
unhappy
up
white