Case of Home Invasion and Murder (Reiwa 6 (Wa) No. 346)

On March 15, 2025, in Tokyo, defendant Kenta Tanaka unlawfully entered the apartment of Yuki Nakamura with intent to steal money. When Nakamura returned home unexpectedly, Tanaka attacked her with a knife, resulting in her death. He fled the scene but was arrested three days later. The Tokyo District Court tried the case under the lay judge system. The prosecution argued the murder was premeditated and sought the death penalty, emphasizing the brutality of the crime. The defense claimed the killing was impulsive, driven by panic, and highlighted the defendant’s traumatic childhood. The case attracted widespread media coverage due to the violent home invasion and Japan's ongoing capital punishment debate.

On October 22, 2025, the Tokyo District Court sentenced Kenta Tanaka to life imprisonment, rejecting the death penalty. The court concluded the murder lacked premeditation and noted the defendant’s expression of remorse.

Whether the killing was premeditated or a spontaneous act, and whether the death penalty was appropriate considering the defendant’s mental state and personal background.

The case intensified public debate over Japan’s death penalty, particularly for home invasion murders. It also spurred discussions about the effectiveness of the lay judge system and the need for stronger victim protection measures in residential crimes.