Solution: Whodunit

7×7 Murdoku case · Hard · murdokuonline.org

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

C1C2C3C4C5C6C7
R13PFreyaTTv2TF
R2VivianChTT
R3CCCarolW
R4SC4AlexP
R5CCCDaliaCCS
R61CTo6BC5CBella
R7TEdisonChCh

Where everybody stood