A 25-year-old man, Ryoken Hirayama, has been served with a fresh arrest warrant on charges of murder in connection with the deaths of a Tokyo couple. Hirayama was initially arrested last month for allegedly disposing of the bodies in Tochigi Prefecture.

Hirayama is the first of six individuals arrested in connection with the case to be charged with murder. A joint investigation team comprised of the Tokyo Metropolitan Police Department and the Tochigi Prefectural Police believes that Hirayama was instructed to kill the couple by another individual, identified as 45-year-old Yukihiro Arakawa. Arakawa was arrested on suspicion of murder and is believed to be the mastermind behind the killings.

According to investigators, Hirayama allegedly prepared the car used in the crime and recruited two other men, aged 24 and 25, to carry out the murders. The two men, whose names have not been released, have also been arrested on suspicion of murder.

The investigation into the deaths of the Tokyo couple is ongoing. The motive for the killings remains unclear, but investigators are exploring various possibilities, including financial disputes and personal vendettas.

The case has shocked the Japanese public, and authorities are under pressure to bring the perpetrators to justice. The families of the victims are seeking answers and closure.

The investigation is expected to continue for some time as authorities gather evidence and interview witnesses. The outcome of the case will likely depend on the strength of the evidence against the suspects and their willingness to cooperate with investigators.