air
attention
bars
black
burglar
captive
captured
chain
character
crime
criminal
debt
figure
flat style
gangster
hands
help
icon
illustration
immaterial
inmate
isolated
jail
justice
law
lock
male
man
misunderstanding
people
person
pictogram
police
portrait
prison
prisoner
problem
punish
punishment
safety
search
security
sign
slave
striped
surrender
symbol
thief
up