"It ain't your mom and pop tattoos you got 20 or 30 years ago," Rogers said. Common themes are those that honor or remember loved ones or past life outside the prison walls, said Sakana Walls ...

Here are some tattoos to look for and what they might tell you… Probably the most common one ... or how many years they've spent in prison. Who knows, maybe you’ll end up with one of these ...

A new exhibition rolls up the sleeves of Aberdeen’s criminal class to reveal the ink that marked them out from the crowd ...