HALIFAX—The families of victims of the 2020 Nova Scotia mass shooting have added the gunman’s spouse, her brother, and her brother-in-law as defendants to the original class action lawsuit against the killer’s estate. Documents filed with the Supreme Court of Nova Scotia on Feb. 5 add the names of Lisa Banfield, James Blair Banfield, and Brian Brewster in the notice seeking damages for deaths, property destruction, and injuries. The families’ lawyer says in a news release the amendments to the proposed class action were made following the Dec. 4 criminal charges laid against the three, alleging they illegally supplied ammunition to the gunman. Police have said the alleged ammunition offences occurred in the month before the April 18-19 killings but that those charged had no prior knowledge of what the gunman, Gabriel Wortman, intended to do. However, Sandra McCulloch, a lawyer for the families, says in a news release “there …