J. Michael Straczynski wrote the first half of this episode before coming down with a severe fever. By the time he'd recovered, he says he did not remember where he'd originally intended the story to go, and so the first part of the script read like it had been written by someone else.
This takes place from March 10 to March 13, 2260.
Marcus tells his captors that his staff weapon is a medical scanner called the Copeland J-5000. This is most likely a reference to the producer John Copeland.