Jake Adelstein has been an investigative journalist in Japan since 1993. Considered one of the foremost experts on organized crime in Japan, he works as a writer and consultant in Japan and the United States. He is also an advisor to NPO Polaris Project Japan, which combats human trafficking and the exploitation of women and children in the sex trade. He is the author of Tokyo Vice: An American Reporter on the Police Beat in Japan (Vintage) and the forthcomingThe Last Yakuza: A Life In The Japanese Underworld.