Solution: End of Watch

8×8 Murdoku case · Medium · murdokuonline.org

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

C1C2C3C4C5C6C7C8
R12SValerieS4S+CT+CC
R2ChT+CChT+CChDaliaCh+CP
R3ChT+CCyrusT+CCh5ChTCh
R4PCElsa
R53PCP6BellaT
R6AnnaC1BBTo
R7CCWGrant7BBT
R8ChPWFloyd

Where everybody stood