The team had previously announced that Erskine, who had been a healthy scratch for the Capitals’ first five games, did not join the team for its three-game Western Canada road trip.
The Senators’ arena, Canadian Tire Centre, is in the suburb of Kanata, about 15 miles from the Parliament Hill area where the shootings occurred.
With a 3-0-2 record and victories in their last two games, the Capitals head to Edmonton, Calgary and Vancouver this week as the only team in the Eastern Conference without a regulation loss.
Wilson, who was initially scheduled to make his return during the Capitals’ three-game Western Canada road trip this week, was instead re-assigned to the team’s AHL affiliate on Monday afternoon.
Laich appeared to injure his left shoulder in the third period of the Capitals’ 2-1 shootout victory on Saturday. Washington will play its next three games against Western Canadian opponents.