"america tonight"'s adam may introduces us to steven ohm. his zero tolerance for bad behaviour brought hawaii hope, in the form of probation >> growing up in hawaii, steven ohm earned the tag of bad guy. >> boxing in a gym, i was one of two white guys. after my first fight, one of the long-time trainers said, "you showed you have heart." >> years of boxing scored him a walk-on role in the original "hawaii five-0." and the tough guy reputation as a judge. >> i was the toughest sentencer in the courthouse >> ohm was deputy prosecuting attorney for honolulu and hawaii. he knew hawaii and the justice system. he became a judge. he knew it needed a change, probation. >> sentencing i can send them to prison or the beach. it's not a knock on probation officers. it's a reflection that probation as usual does not work wall. >> hawaii may seem like paradise. away from the beaches and resorts, an evil tide swept across the island - methamphetamine. drug abusers arrested for glowing the criminal justice system. judge ohm created hope. hope is a new way t