was a Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese radical leftist. He was born in Osaka

Osaka

is a city in the Kansai region of Japan's main island of Honshu, a designated city under the Local Autonomy Law, the capital city of Osaka Prefecture and also the biggest part of Keihanshin area, which is represented by three major cities of Japan, Kyoto, Osaka and Kobe...

 and entered the Osaka City University

Osaka City University

, abbreviated to , is a public university in Japan. It is located in Sumiyoshi-ku, Osaka City.- History :OCU's predecessor was founded in 1880, as the Osaka Commercial Training Institute with donations by local merchants. It developed into Osaka Commercial School in 1885, then was municipalized in...

. After some members of the Red Army were arrested by the Japanese police while he escaped from them, several members of the group went to North Korea

North Korea

The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

 with Japan Airlines Flight 351

Japan Airlines Flight 351

Japan Airlines Flight 351 was hijacked by nine members of the Japanese Communist League-Red Army Faction on March 31, 1970 while flying from Tokyo to Fukuoka, in an incident usually referred to in Japanese as the...

 and some formed the Japanese Red Army

Japanese Red Army

The was a Communist terrorist group founded by Fusako Shigenobu early in 1971 in Lebanon. It sometimes called itself Arab-JRA after the Lod airport massacre...

. He eventually became the leader of the United Red Army

United Red Army

The was a Japanese revolutionary armed group, established on 15 July 1971. It united the Red Army Faction, led in 1971 by Tsuneo Mori and the Maoist Revolutionary Left Wing of the Japanese Communist Party, led by Hiroko Nagata...

. Along with Hiroko Nagata

Hiroko Nagata

-Web:...

, he allegedly killed 14 members and he was arrested in February 1972. He committed suicide by hanging

Hanging

Hanging is the lethal suspension of a person by a ligature. The Oxford English Dictionary states that hanging in this sense is "specifically to put to death by suspension by the neck", though it formerly also referred to crucifixion and death by impalement in which the body would remain...

 in his cell in Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

on January 1, 1973.