assigned specially. There are three deputy managers and five units, mainly mandated for public security investigation and counterintelligence affairs related to Europe. There are two deputy managers and five units, mandated for public security investigation and counterintelligence affairs related to Asia. There are two deputy managers and four units, mandated for public security investigation and counterintelligence affairs related to North East Asia. There are four deputy managers and six units, mandated for public security investigation and counterintelligence affairs related to international terrorism. Mandated for initial investigation under PSB's jurisdiction including criminal/espionage/terrorist cases. Also has an NBC Terrorist Investigation Unit. Training Prospective PSB officers are trained at the National Police Academy in intelligence gathering techniques. Known heads of PSB Shigeo Ito Masuo Okamura Norikiyo Hayashi References Bibliography External links To Protect Peace and Freedom of the Democracy (Metropolitan Police Department Official Website) Japanese intelligence agencies Police units of the Tokyo Metropolitan Police Department