Solution: The Mole

6×6 Murdoku case · Hard · murdokuonline.org

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

C1C2C3C4C5C6
R11BellaP2ChCCh
R2VictorT+CCCC
R3ChT+C4EdisonS
R4CBCarol
R535DaliaB
R6LTAlexS

Where everybody stood