Neith shakes off the sudden squall of memory. In fact, Marcus James Dean is the essence of why she’s here. The perfumed gentleman named Smith is travelling until Thursday, so Neith has come here for an alternate first opinion. She prefers, in any case, to have more than one expert so that she can check them against one another. The Witness has solved the old question of quis custodiet , but there are—demonstrably—limits to its ability in the messier assessment of signs and implications.