Every single vision of death, complete with horrendous screeching noise that could also be used to describe Giygas' ungraspable true form.
All the murders tend to be portrayed gruesomely but episode 2 in particular. Not only does the case have to do with a serial killer who takes organs, but Erika receives Sully's eye in a box and then gets an eyefull of the organs taken from all the victims later. And studying the organs is imperative to solving the puzzle at the end of episode 2.
