5. Suaia Matagi
In 2006, at the age of 17, Matagi was sentenced to three years in prison for assaulting two boys during a drunken rage that occurred when he was 15. He served his sentence at Mount Eden Prison, and later Manawatu Prison, before his participation in rehabilitation courses saw him granted parole after one year. He went onto have a succesful rugby league career, representing Samoa and New Zealand at Test level.