Japan's Justice Ministry says a man convicted of murder for killing and dismembering nine people in his apartment near Tokyo was executed Friday.

TOKYO—A man convicted of murder for killing and dismembering nine people in his apartment near Tokyo was executed Friday, Japan’s Justice Ministry said. Takahiro Shiraishi, known as the “Twitter ...

The chilling mass murder case had gripped the nation for years and raised concerns over the use of social media.

Investigators were able to track down the suspects after getting a tip that a rare pair of sneakers was being sold in ...