Solution: The Silent Room

9×9 Murdoku case · Hard · murdokuonline.org

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

C1C2C3C4C5C6C7C8C9
R14BCh7AnnaTv2TS
R2BellaPPBTP
R3ViktorB
R43PTv8CEdisonT
R5CFreya6ChTv
R6TTGrant
R71CyrusPTChT
R8CChT5CCHanaST
R9CTDaliaPST

Where everybody stood