和歌山市
Yasuda defended Masumi Hayashi, who was convicted of putting poison in a pot of curry being served at a 1998 summer festival in the Sonobe district of Wakayama, Wakayama, Japan. Yasuda was asked by Kazuyoshi Miura, who was exchanging letters with Masumi Hayashi, to work on this trial. Despite Yasuda's efforts, she was sentenced to death in 2002.