A snake around the neck is a sign of drug addiction. The stars on the clavicles and epaulettes on the shoulders show that this inmate is a criminal authority. The Madonna and child is one of the most popular tattoos worn by criminals — there can be a number of meanings. It can symbolise loyalty to a criminal clan; it can mean the wearer believes the Mother of God will ward off evil; or it can indicate the wearer has been behind bars from an early age.