Dan Mathews drives a 1958 Dodge Coronet throughout this episode, but footage of a 1957 Buick Special is shown at one point as his conveyance to the railroad yard.
When Sgt. Williams and Dan Matthews are interviewing Mrs. Richards at the hospital they are pressing her to tell them if she knows why anyone would assaulted her husband. Sgt. Williams suddenly jumps to the conclusion that he must have owed someone money. Nothing had been said or learned to suggest that her husband owed someone money.