An Islamist website that was used by al - Zarqawi 's group had posted video of Koda shortly after the abduction .
October 29 , 2004 : Shosei Koda , Japanese civilian beheaded .
An Islamist website that was used by al - Zarqawi 's group had posted video of Shosei Koda shortly after the abduction .
October 29 , 2004 : Shosei Koda , Japanese civilian beheaded .