Japanese student disappearance: murder investigation opened A warrant has been issued for the arrest of a Chilean man suspected of killing a Japanese student in the eastern town of Besançon. Though the body of the young woman has not been found, investigators are treating the disappearance as a murder case. IMAGES AND SOUNDBITES with Besançon district attourney Edwige Roux-MorizotREFILING TO CORRECT SPELLING IN LEDE