Edison did it — the only suspect in the room with the victim, outlined in red below.
| C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | |
|---|---|---|---|---|---|---|---|---|---|
| R1 | 1S | C | 3W | S | 5 | Bernd | |||
| R2 | C | T | C | Ca | Ca | Dalia | Tr | ||
| R3 | Anna | Ca | Tr | ||||||
| R4 | Hugh | ||||||||
| R5 | 2 | P | Ca | L | 4Volker | ||||
| R6 | Ca | Floyd | C | C | |||||
| R7 | C | T | Carol | Ca | L | T | T | C | |
| R8 | Greta | Ca | Ca | T | T | C | |||
| R9 | Ta | Ca | C | C | Edison |