The Nagoya High Court rejected a retrial appeal Friday of an 86-year-old man who has been on death row for four decades for the fatal poisoning of five women in 1961 in Nabari, Mie Prefecture, ruling his retracted confession made under initial grillings remains "basically trustworthy."

Even though Masaru Okunishi was initially acquitted and the high court in 2005 opted to reopen the case, presiding Judge Yasuo Shimoyama said Friday, "It is unquestionable that only Okunishi could have mixed pesticide into the wine" that poisoned the victims.

Okunishi's confession, made when he was under interrogation, "is basically trustworthy," Shimoyama added.