for japan's largest daily newspaper for 12 years. >> this is where they made you get out, and this is where they made the arrest. >> he authored a memoir called "tokyo vice." he says there is a dark side to the rising sun, but it seldom leads to shots fired. >> i have not met a cop who has fired his gun in the course of duty, and i mean i know a lot of cops. since 1993 i've been working as a reporter in japan, mostly on the police beat. >> in fact, guns are so rare and tightly regulated here, that even mobsters avoid using guns. known as the yakuzo and often recognized for their full body tattoos, japanese organized crime doesn't lack for muscle. they have reportedly had enormous reach in business and politics, once described as largest private equity group in japan by morgan stanley. but many don't like conducting business with a gun. [ speaking a foreign language ] >> translator: guns are like