Mr. Yoshiyuki Yoshida from Japan preaching group was invited to Taipei Prison to conduct 「To let love flow over the wall」life education program on 30th April 2012. In his past, Mr. Yoshiyuki Yoshida has committed an astounding act of assaulting on the leader of Yamaguchi-Gumi, a notorious mafia gang in Japan, creating a stir at that time. After serving his sentence of 5 years, he was persuaded and inspired by his wife to repent and convert to Christianity. He also bears witness of his past in the presence of foreign dignitary such as Head of State from America, India, and Pakistan. For the past 5 years, he has traveled to various correction departments, preaching and persuading inmates to denounce their past misdemeanor, to repent and aspect God as their real savior.