User blog comment:CommanderStarboy76/Innocence Lost Case Finale Decisions/@comment-186.225.58.62-20160430235349

My guesses are:

Victim: Tsukada Chieko

Suspects: Ronin Ozawa, SILVERee, Obaasan, Tsukada Hiroshi and Sanjay Korrapati

Killer: Tsukada Hiroshi (who's also The Head Hunter)