A suspect in his 40s wanted on an arrest warrant in connection with a robbery-murder case that occurred in Kamikawara Town, Tochigi Prefecture, is suspected of having sent information related to the victim, including details about their residence, to the person directing operations at the scene, according to interviews with investigative sources. Police plan to publicly issue a wanted notice for the suspect in his 40s on the afternoon of the 29th, as he is believed to have masterminded the incident.