He also added that South Korea does not usually sentence convicted criminals to life without parole -- so life sentences usually represent about 20 years or less of imprisonment . South Korean prosecutors seek death penalty for ferry captain and life in prison for three passengers . Massacre of Sewol ferry passengers caused outrage in South Korea . South Korea has not carried out death penalty since 1997 .
South Korean prosecutors seek death penalty for ferry captain and life in prison for three passengers . Massacre of Sewol ferry passengers caused outrage in South Korea . South Korea has not carried out death penalty since 1997 .