Tamotsu Yanagihara

柳原保

A police investigator and a close acquaintance of Rin. He enjoys Rin's company and provides her with useful information. [Spoiler] He is killed by a military sniper following AI Ruon's orders in episode four. Immediately before his death, he reminisces about what may have been an intimate moment with Rin. [/Spoiler] (Source: Wikipedia)