The Comedian Who Turned Himself In (1) Meitantei Conan : Season 1 Episode 757

After an unlucky while at the pachinko salon, Kogoro who walks about sees Conan at a small police office near a train-station. He walks in angrily only to find out that Conan was there only to return a found wallet. As they are about to leave the well-known comedian Rokusuke DoDonPa (real name: Rokusuke Tanigaki) walks in and announces to have murdered his chief.