User blog comment:Zoomer3539/Danganflipa MM: Chapter 1 - Paradigm of a Criminal (Deadly Life)/@comment-34461139-20190506020910/@comment-5042721-20190506021426

Yep, the trash can contents are relevant to the case. Also, Kayla found the cup right outside the Madish Work Zone so they would still be in Marinara Rapids, not Multigrain Fields.