TOKYO >> Japan executed a man on Friday who killed nine people after contacting them on social media, the first use of capital punishment in the country in nearly three years.

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.

The execution by hanging of a man convicted of killing nine people in Japan comes amidst a growing debate over the country's ...

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.

Japan executes Takahiro Shiraishi, the 'Twitter killer,' convicted of murdering nine people. The case raised concerns over social media's role in crimes.