Name a victim te think qualified as a Dirty Coward

Trope: link

Kohei Shimoda, one of the murder victims from the "Ski Lodge Murder Case"/"Massacre Night", entered a panicked state after seeing the late Minako's name(in Japan) on two victims of attempted murder and Sugiyama(the other murder victim).
But when te realize that he and Sugiyama murdered Minako Mochizuki and made her death look like a suicide to keep a fraud they were involved with under the rug, it could make Shimoda this.