Inmate in Putnam County Jail rec yard showing jail house tattoo on his left shoulder.
Tattoos are used among to show gang membership and record the wearer's personal history--such as his or her skills, specialties, accomplishments and convictions. They are also used as a means of personal expression.
Common tattoos are names of relatives or gang members, symbols of aggression, tattoos advertising a particular skill, or religious imagery. One of the most well-known tattoos is the teardrop tattoo, which commonly indicates the bearer has killed.