Warmaisach
Maybe because its not a crime since its not foul play according to their city legal code. If its not a crime, than killing the spy is not self defence but murder. Two problems with this theory of mine: 1. Ardum most likely didn’t record what happened since Nick ability was active until the guard saw him. 2. Suspicious activity on the roof of a competitor while hiding your identity is trespassing at least. Considering that zephix extractors have the right to kill, its most likely not Ardum’s plan to frame Dark Dream for murder