Solution: Murder on Sale

9×9 Murdoku case · Easy · murdokuonline.org

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

C1C2C3C4C5C6C7C8C9
R11TvSST5EdisonW
R2DylanW
R3HanaTCaT4SS
R42CC3Victoria
R5SAlexCSSS
R6SSCTvCSCarolS
R7TTCGrantCS
R8TCBellaCTTS
R9FloydW

Where everybody stood