Police are investigating the sudden death in Wakayama Prefecture of a wealthy man, who had dubbed himself "Don Juan," as a possible murder after stimulants were detected in his body, investigative sources said Monday.
The collapsed body of Kosuke Nozaki, 77, was found by his wife, 55 years his junior, on his bedroom sofa on the night of May 24. His housekeeper was also at the home at the time.
He was later confirmed dead and an autopsy found traces of illegal narcotics in his system, while no external injuries were found.