Most likely they were headed home from this -

Woodstock Police Force Community Notice: As members and staff of the Woodstock Police Force will be attending funeral services for Constable Dale Pollock on August 13th, we wish to advise and thank the Fredericton Police Force (primary) and local RCMP who have generously offered to provide public safety services in the Town of Woodstock during our temporary absence. Citizens may therefore expect to see Fredericton Police and RCMP presence in town this Friday between the hours of 1:00 PM 5:00 PM. The Woodstock Police Force wishes to thank the Town of Woodstock community for their patience and understanding during this time. Chief Gary Forward Woodstock Police Force