A Japanese court finalized on Tuesday a death penalty ruling given to the man dubbed Japan's "Twitter killer" after he withdrew an appeal filed by his lawyers in the case related to the 2017 serial murders of nine people who posted suicidal thoughts on social media.The defense team for Takahiro Shiraishi, 30, appealed the death sentence on Dec. 18 last year, but he canceled the procedure three days later, according to the Tachikawa branch of the Tokyo District Court, which found him guilty of murdering, dismembering and storing the bodies of the nine in his apartment near Tokyo.During his t…READ FULL ARTICLE