• Police arrest sales manager over suspected murder of company president
• Suspect admits dissatisfaction with victim’s behavior

Tokyo police have arrested a man on suspicion of killing the president of an audio equipment company, who was found dead and bleeding heavily in his apartment in the Ota ward of the Japanese capital on Thursday.

Investigative sources said Friday that the suspect is 45-year-old Masahiro Yamanaka, a sales manager at the company headed by the victim, 44-year-old Akihiro Kawashima.

The sources added that Yamanaka admitted during voluntary questioning on Friday that he had been dissatisfied with Kawashima’s behavior, hinting at having killed his boss.

Yamanaka is suspected of killing Kawashima in a room in the apartment between around 6:40 p.m. on Wednesday and 11:30 a.m. on Thursday.

The suspect initially claimed he had been walking for about three hours from around 5 p.m. on Wednesday and had dinner with a friend at a local restaurant at 8 p.m.