Solution: Valentin's Last Address

8×8 Murdoku case · Easy · murdokuonline.org

Floyd did it — the only suspect in the room with the victim, outlined in red below.

C1C2C3C4C5C6C7C8
R13STTTS2DaliaL
R2CCh+CCh+CFloydCT
R3CTCyrus
R4LValentinTvW
R54CEdisonCCCCCC
R61BellaC6PC5CP
R7ToCCBGreta
R8WaAlexBB

Where everybody stood