JAPAN-CRIME-CULT-ANNIVERSARY(01 of07)
Open Image ModalStation master Mitsuaki Ota, carrying a bouquet of flowers, walks toward an altar for the victims of the 1995 deadly nerve-gas attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(02 of07)
Open Image ModalShizue Takahashi (C), widow of a subway officer who was killed in the 1995 nerve-gas attack, carries a bouquet of flowers as she walks toward an altar for victims of the attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(03 of07)
Open Image ModalShizue Takahashi (C), widow of a subway officer who was killed in the 1995 nerve-gas attack, answers a questions after offering flowers at an altar for victims of the attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(04 of07)
Open Image ModalSubway officers offer silent prayers for the victims of the 1995 deadly nerve-gas attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(05 of07)
Open Image ModalSubway officers offer silent prayers for the victims of the 1995 deadly nerve-gas attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(06 of07)
Open Image ModalSubway officers offer silent prayers for the victims of the 1995 deadly nerve-gas attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)
JAPAN-CRIME-CULT-ANNIVERSARY(07 of07)
Open Image ModalSubway officers offer silent prayers for the victims of the 1995 deadly nerve-gas attack in Tokyo on March 20, 2015. Japan marked the 20th anniversary of the sarin nerve gas attack against Tokyo subways that killed 13 people and injured 6,000. AFP PHOTO / Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images) (credit:TORU YAMANAKA via Getty Images)